Endxo - Curated tech search

Communication systems Custom communication systems

Freenet - Anonymously share files, browse and publish "freesites" (web sites accessible only through Freenet) and chat on forums.

Communication systems Custom communication systems

Friends - P2P chat powered by the web.

Communication systems Custom communication systems

GNUnet - Free software framework for decentralized, peertopeer networking.

Communication systems Custom communication systems

Gotify - Selfhosted notification server with Android and CLI clients, similar to PushBullet.

Communication systems Custom communication systems

Hawkpost - HawkPost is a web app that lets you create unique links that you can share with a person that desires to send you important information but doesn't know how to encrypt it. The message is encrypted in their browser and sent to your email address.

Communication systems Custom communication systems

Jitsi Meet - Jitsi Meet is an OpenSource (MIT) WebRTC Javascript application that uses Jitsi Videobridge to provide high quality, scalable video conferences.

Communication systems Custom communication systems

Jitsi Video Bridge - WebRTC compatible Selective Forwarding Unit (SFU) that allows for multiuser video communication.

Communication systems Custom communication systems

Kandan - Kandan is an Open Source Alternative to HipChat.

Updated 5 years ago

The latest commit was 5 years ago

2765

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Communication systems Custom communication systems

KChat - PHP Based Live Chat Application.

Communication systems Custom communication systems

LeapChat - Ephemeral, encrypted, inbrowser chat rooms.

Communication systems Custom communication systems

Lets-Chat - Self hosted chat suite written in Node.

Communication systems Custom communication systems

LibreNews - Decentralized and secure breaking news notification system.

stable - Updated 2 months ago

The most recent release v0.1.0 was published 3 years ago and has a status of stable

The latest commit was 2 months ago

54

7

Communication systems Custom communication systems

Live Helper Chat - Live Support chat for your website.

stable - Updated 14 hours ago

Fresh

The most recent release 3.63v was published 1 week ago and has a status of stable

The latest commit was 14 hours ago

1425

181

Communication systems Custom communication systems

Mattermost - Opensource, onprem Slackalternative. It can be integrated with .

stable - Updated 9 hours ago

Fresh

The most recent release v5.32.1 was published 1 week ago and has a status of stable

The latest commit was 9 hours ago

19916

549

Communication systems Custom communication systems

MiAOU - Multiroom persistent chat server.

Updated 2 months ago

Fresh

The latest commit was 2 months ago

483

25

Communication systems Custom communication systems

Mibew - Mibew Messenger is an opensource live support application written in PHP and MySQL. It enables oneonone chat assistance in realtime directly from your website.

stable - Updated 3 weeks ago

Fresh

The most recent release v3.2.8 was published 2 months ago and has a status of stable

The latest commit was 3 weeks ago

411

66

Communication systems Custom communication systems

Mumble - Lowlatency, high quality voice/text chat software.

stable - Updated 1 day ago

Fresh

The most recent release 1.3.4 was published 2 weeks ago and has a status of stable

The latest commit was 1 day ago

3717

177

Communication systems Custom communication systems

Node-Chat - Notsobasic opensource chat with admin features.

stable - Updated 11 months ago

The most recent release v1.0.0 was published 5 years ago and has a status of stable

The latest commit was 11 months ago

641

35

Communication systems Custom communication systems

Rallly - Rallly is a free collaborative scheduling service.

Updated 2 years ago

The latest commit was 2 years ago

280

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Communication systems Custom communication systems

RetroShare - Secured and decentralized communication system. Offers decentralized chat, forums, messaging, file transfer.

RC - Updated 1 day ago

Fresh

The most recent release v0.6.6-RC2 was published 3 weeks ago and has a status of RC

The latest commit was 1 day ago

1265

86

Communication systems Custom communication systems

Jami - Free and universal communication platform which preserves the user's privacy and freedoms (formerly GNU Ring).

Communication systems Custom communication systems

Rocket.Chat - Teamchat solution similar to Gitter.im or Slack.

RC - Updated 12 hours ago

Fresh

The most recent release 3.12.0-rc.1 was published 3 days ago and has a status of RC

The latest commit was 12 hours ago

29680

941

Communication systems Custom communication systems

Spectrum 2 - Spectrum 2 is an open source instant messaging transport. It allows users to chat together even when they are using different IM networks.

stable - Updated 2 weeks ago

The most recent release 3.1.15 was published 1 year ago and has a status of stable

The latest commit was 2 weeks ago

9682

168

Communication systems Custom communication systems

Spreed - WebRTC audio/video calls, conferencing server, and web client.

stable - Updated 3 years ago

The most recent release v0.29.7 was published 3 years ago and has a status of stable

The latest commit was 3 years ago

995

105

Communication systems Custom communication systems

Synapse - Server for , an open standard for decentralized persistent communication. Web client meant to be a showcase of Matrix capabilities, and reference implementation of the Matrix standard. Fullyfeatured Matrix client for Web, iOS & Android.

Communication systems Custom communication systems

Syndie - Syndie is a libre system for operating distributed forums.

Communication systems Custom communication systems

TextBelt - Outgoing SMS API that uses carrierspecific gateways to deliver your text messages for free, and without ads.

Updated 7 months ago

The latest commit was 7 months ago

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104

Communication systems Custom communication systems

Tox - Distributed, secure messenger with audio and video chat capabilities.

Updated 2 years ago

The latest commit was 2 years ago

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Communication systems Custom communication systems

Tuber - Peertopeer video chat that works.

Updated 5 months ago

The latest commit was 5 months ago

312

51

Communication systems Custom communication systems

ZeroNet - Open, free, and uncensorable websites, using Bitcoin cryptography and BitTorrent network.

Communication systems Custom communication systems

Zulip - Zulip is a powerful, open source group chat application.

stable - Updated 5 days ago

Fresh

The most recent release 3.3 was published 2 months ago and has a status of stable

The latest commit was 5 days ago

13133

376

Communication systems Email Complete solutions

docker-mailserver - Fullstack but simple mail server (smtp, imap, antispam, antivirus, etc.). Only configuration files, no SQL database. Keep it simple and versioned. Easy to deploy and upgrade.

stable - Updated 18 hours ago

Fresh

The most recent release v9.0.1 was published 1 day ago and has a status of stable

The latest commit was 18 hours ago

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187

Communication systems Email Complete solutions

Inboxen - Inboxen is a service that provides you with an infinite number of unique inboxes.

Updated 18 hours ago

Fresh

The latest commit was 18 hours ago

215

6

Communication systems Email Complete solutions

homebox - Suite of Ansible scripts to deploy a fully functional mail server on Debian. Unobtrusive and automatic as much as possible, focusing on stability and security.

stable - Updated 1 month ago

Fresh

The most recent release stretch was published 9 months ago and has a status of stable

The latest commit was 1 month ago

260

16

Communication systems Email Complete solutions

iRedMail - Fullfeatured mail server solution based on Postfix and Dovecot.

stable - Updated 18 hours ago

Fresh

The most recent release 1.3.2 was published 3 months ago and has a status of stable

The latest commit was 18 hours ago

330

19

Communication systems Email Complete solutions

Mailcow - Mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration.

stable - Updated 3 years ago

The most recent release v0.14 was published 4 years ago and has a status of stable

The latest commit was 3 years ago

1004

90

Communication systems Email Complete solutions

Mailu - Mailu is a simple yet fullfeatured mail server as a set of Docker images.

RC - Updated 4 days ago

Fresh

The most recent release 1.8-rc was published 4 months ago and has a status of RC

The latest commit was 4 days ago

2541

84

Communication systems Email Complete solutions

Mail-in-a-Box - Turns any Ubuntu server into a fully functional mail server with one command.

stable - Updated 2 weeks ago

Fresh

The most recent release v0.52 was published 3 weeks ago and has a status of stable

The latest commit was 2 weeks ago

9945

302

Communication systems Email Complete solutions

Modoboa - Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface.

stable - Updated 6 days ago

Fresh

The most recent release 1.17.0 was published 3 months ago and has a status of stable

The latest commit was 6 days ago

1760

87

Communication systems Email Complete solutions

Qmailtoaster - Stable, fullfeatured, easytoinstall mail server based on qmail.

Communication systems Email Complete solutions

Simple NixOS Mailserver - Complete mailserver solution leveraging the Nix Ecosystem.

Communication systems Email Complete solutions

wildduck - Scalable noSPOF IMAP/POP3 mail server.

Updated 1 week ago

Fresh

The latest commit was 1 week ago

1288

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Communication systems Email Mail Transfer Agents

Courier MTA - Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic webbased calendaring and scheduling services.

Communication systems Email Mail Transfer Agents

Exim - Message transfer agent (MTA) developed at the University of Cambridge.

Communication systems Email Mail Transfer Agents

Haraka - Highperformance, pluginable SMTP server written in Javascript.

stable - Updated 12 hours ago

Fresh

The most recent release 2.8.27 was published 1 month ago and has a status of stable

The latest commit was 12 hours ago

3846

153

Communication systems Email Mail Transfer Agents

Maildrop - Disposable email SMTP server, also useful for development.

Communication systems Email Mail Transfer Agents

OpenSMTPD - Secure SMTP server implementation from the OpenBSD project.

Communication systems Email Mail Transfer Agents

Postfix - Fast, easy to administer, and secure Sendmail replacement.

Communication systems Email Mail Transfer Agents

Qmail - Secure Sendmail replacement.

Communication systems Email Mail Transfer Agents

Sendmail - Message transfer agent (MTA).

Communication systems Email Mail Transfer Agents

Slimta - Mail Transfer Library built on Python.

stable - Updated 1 week ago

Fresh

The most recent release 4.2.0 was published 1 week ago and has a status of stable

The latest commit was 1 week ago

142

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Communication systems Email Mail Delivery Agents

Cyrus IMAP/POP3 - Intended to be run on sealed servers, where normal users are not permitted to log in.

beta - Updated 6 hours ago

Fresh

The most recent release cyrus-imapd-3.4.0-beta3 was published 1 week ago and has a status of beta

The latest commit was 6 hours ago

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Communication systems Email Mail Delivery Agents

Dovecot - IMAP and POP3 server written primarily with security in mind.

Updated 3 weeks ago

Fresh

The latest commit was 3 weeks ago

536

63

Communication systems Email Mail Delivery Agents

Piler - feature rich open source email archiving solution.

Communication systems Email Mailing lists and Newsletters

Listmonk - High performance, selfhosted newsletter and mailing list manager with a modern dashboard.

beta - Updated 5 days ago

Fresh

The most recent release v0.9.0-beta was published 1 week ago and has a status of beta

The latest commit was 5 days ago

4356

72

Communication systems Email Mailing lists and Newsletters

Mail For Good - Open source email campaign management tool for nonprofits.

Updated 1 year ago

The latest commit was 1 year ago

3815

169

Communication systems Email Mailing lists and Newsletters

Mailman - The Gnu mailing list server.

Communication systems Email Mailing lists and Newsletters

Mailtrain - self hosted newsletter application built on Node.js (v5+) and MySQL (v5.5+ or MariaDB).

stable - Updated 3 weeks ago

The most recent release v1.24.1 was published 2 years ago and has a status of stable

The latest commit was 3 weeks ago

4609

125

Communication systems Email Mailing lists and Newsletters

MailyHerald - Selfhosted Mailchimp alternative that you can easily integrate with your site. Helps you send and manage your application mailings. It support email marketing and conducting the daily stream of notifications you send to your users.

Updated 2 years ago

The latest commit was 2 years ago

564

25

Communication systems Email Mailing lists and Newsletters

phpList - Newsletter and email marketing with advanced management of subscribers, bounces, and plugins.

Communication systems Email Mailing lists and Newsletters

Postal - Fully featured open source mail delivery platform for incoming and outgoing email.

Communication systems Email Mailing lists and Newsletters

Schleuder - GPGenabled mailing list manager with resendingcapabilities.

Communication systems Email Mailing lists and Newsletters

Sympa - Mailing list manager.

Communication systems Email Webmail clients

Afterlogic WebMail Lite - Fast and easytouse webmail frontend for your existing IMAP mail server, Plesk or cPanel.

Communication systems Email Webmail clients

Cypht - Feed reader for your email accounts.

RC - Updated 3 hours ago

The most recent release v1.2.0-rc1 was published 1 year ago and has a status of RC

The latest commit was 3 hours ago

622

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Communication systems Email Webmail clients

IMP - HORDE application that provides webmail access to IMAP and POP3 accounts.

Communication systems Email Webmail clients

MailCare - Open source disposable email address service.

Updated 1 year ago

The latest commit was 1 year ago

133

4

Communication systems Email Webmail clients

Mailpile - Webmail client with search, filtering, encryption features and more.

RC - Updated 3 months ago

The most recent release 1.0.0rc6 was published 1 year ago and has a status of RC

The latest commit was 3 months ago

8335

414

Communication systems Email Webmail clients

RainLoop - Simple, modern and fast webmail with IMAP/SMTP Support and multi accounting. .

stable - Updated 1 month ago

Fresh

The most recent release v1.15.0 was published 1 month ago and has a status of stable

The latest commit was 1 month ago

3415

161

Communication systems Email Webmail clients

Roundcube - Browserbased IMAP client with an applicationlike user interface.

beta - Updated 9 hours ago

Fresh

The most recent release 1.5-beta was published 8 hours ago and has a status of beta

The latest commit was 9 hours ago

3752

232

Communication systems Email Webmail clients

SquirrelMail - Another browserbased IMAP client.

Communication systems IRC Webmail clients IRC communication software

Convos - Always online web IRC client.

Updated 6 hours ago

Fresh

The latest commit was 6 hours ago

781

35

Communication systems IRC Webmail clients IRC communication software

InspIRCd - Modular IRC server written in C++ for Linux, BSD, Windows, and macOS.

stable - Updated 9 hours ago

Fresh

The most recent release v3.8.1 was published 3 months ago and has a status of stable

The latest commit was 9 hours ago

858

85

Communication systems IRC Webmail clients IRC communication software

Dispatch - Selfhosted web IRC client written in Go.

stable - Updated 2 months ago

Fresh

The most recent release v0.7 was published 9 months ago and has a status of stable

The latest commit was 2 months ago

594

12

Communication systems IRC Webmail clients IRC communication software

Kiwi IRC - Responsive web IRC client with theming support.

stable - Updated 4 days ago

Fresh

The most recent release v1.5.0 was published 9 months ago and has a status of stable

The latest commit was 4 days ago

485

36

Communication systems IRC Webmail clients IRC communication software

ngircd - Free, portable and lightweight Internet Relay Chat server for small or private networks.

stable - Updated 1 month ago

Fresh

The most recent release rel-26.1 was published 1 month ago and has a status of stable

The latest commit was 1 month ago

289

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Communication systems IRC Webmail clients IRC communication software

The Lounge - Selfhosted web IRC client.

stable - Updated 1 week ago

Fresh

The most recent release v4.2.0 was published 6 months ago and has a status of stable

The latest commit was 1 week ago

4287

77

Communication systems IRC Webmail clients IRC communication software

Quassel IRC - distributed IRC client, meaning that one (or multiple) client(s) can attach to and detach from a central core.

Communication systems IRC Webmail clients IRC communication software

Robust IRC - RobustIRC is IRC without netsplits. Distributed IRC server, based on RobustSession protocol.

Updated 6 months ago

The latest commit was 6 months ago

140

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Communication systems IRC Webmail clients IRC communication software

Tiny Tiny IRC - An open source AJAXpowered chat platform with support for IRC .

Communication systems IRC Webmail clients IRC communication software

Weechat - Fast, light and extensible chat client. A web frontend for WeeChat.

Communication systems IRC Webmail clients IRC communication software

ZNC - Advanced IRC bouncer.

Updated 1 day ago

Fresh

The latest commit was 1 day ago

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Communication systems SIP Webmail clients SIP/IPBX telephony software

Asterisk - Easy to use but advanced IP PBX system, VoIP gateway and conference server.

Communication systems SIP Webmail clients SIP/IPBX telephony software

ASTPP - is an Open Source VoIP Billing Solution for Freeswitch. It supports prepaid and postpaid billing with call rating and credit control. It also provides many other features.

Updated 1 week ago

Fresh

The latest commit was 1 week ago

112

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Communication systems SIP Webmail clients SIP/IPBX telephony software

Freepbx - Webbased open source GUI that controls and manages Asterisk.

Communication systems SIP Webmail clients SIP/IPBX telephony software

FreeSWITCH - Scalable open source crossplatform telephony platform.

Communication systems SIP Webmail clients SIP/IPBX telephony software

FusionPBX - Open source project that provides a customizable and flexible web interface to the very powerful and highly scalable multiplatform voice switch called FreeSWITCH.

stable - Updated 4 hours ago

The most recent release 4.4.1 was published 2 years ago and has a status of stable

The latest commit was 4 hours ago

466

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Communication systems SIP Webmail clients SIP/IPBX telephony software

Homer - Troubleshooting and monitoring VoIP calls.

stable - Updated 2 months ago

The most recent release v5.0.1 was published 5 years ago and has a status of stable

The latest commit was 2 months ago

843

106

Communication systems SIP Webmail clients SIP/IPBX telephony software

Kamailio - Modular SIP server (registrar/proxy/router/etc).

Updated 13 hours ago

Fresh

The latest commit was 13 hours ago

1341

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Communication systems SIP Webmail clients SIP/IPBX telephony software

Kazoo - KAZOO is an opensource, highly scalable software platform designed to provide carriergrade VoIP switch functions and features.

stable - Updated 3 weeks ago

Fresh

The most recent release 4.3.138 was published 2 days ago and has a status of stable

The latest commit was 3 weeks ago

819

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Communication systems SIP Webmail clients SIP/IPBX telephony software

Ostel - Secure SIP telephony setup with ZRTP encryption.

Communication systems SIP Webmail clients SIP/IPBX telephony software

SipXcom - Open source unified communications system.

Updated 11 months ago

The latest commit was 11 months ago

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Communication systems SIP Webmail clients SIP/IPBX telephony software

Tapir - Troubleshooting and realtime monitoring of VoIPbased systems.

Communication systems SIP Webmail clients SIP/IPBX telephony software

Wazo - Fullfeatured IPBX solution built atop Asterisk with integrated Web administration interface and RESTful API.

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Abilian SBE - Open Source Collaboration and Social Networking framework and platform.

Updated 1 week ago

Fresh

The latest commit was 1 week ago

46

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Anahita - Open Source Social Networking Framework and Platform.

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

bbPress - bbPress is forum software with a twist from the creators of WordPress. Easily setup discussion forums inside your WordPress.org powered site.

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Bootcamp - Enterprise social network.

Updated 10 months ago

The latest commit was 10 months ago

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Buddycloud - Tools, libraries, services and a community to build usertouser, group and social messaging into your app. Saves time. Scales up. Supports you.

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

BuddyPress - Powerful plugin that takes your WordPress.org powered site beyond the blog with socialnetwork features like user profiles, activity streams, user groups, and more.

Updated 4 days ago

Fresh

The latest commit was 4 days ago

172

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

cartulary - RSS reader, readability tool, article archiver, microblogger, social graph manager and reading list manager.

stable - Updated 9 months ago

The most recent release v0.7.9 was published 9 months ago and has a status of stable

The latest commit was 9 months ago

165

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Commento - Commento is a discussion platform that you can embed on your blog, news articles, and any place where you want your readers to add comments.

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Coral - A better commenting experience from Vox Media.

stable - Updated 11 hours ago

Fresh

The most recent release v6.8.1 was published 2 weeks ago and has a status of stable

The latest commit was 11 hours ago

1572

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

diaspora* - Distributed social networking server.

stable - Updated 4 days ago

Fresh

The most recent release v0.7.14.0 was published 8 months ago and has a status of stable

The latest commit was 4 days ago

12669

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Discourse - Advanced forum / community solution based on Ruby and JS.

Updated 3 hours ago

Fresh

The latest commit was 3 hours ago

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

dyu/comments - Realtime, markdownenabled comment engine powered by leveldb.

Updated 2 years ago

The latest commit was 2 years ago

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Elgg - Powerful open source social networking engine.

stable - Updated 1 week ago

Fresh

The most recent release 3.3.16 was published 1 week ago and has a status of stable

The latest commit was 1 week ago

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Flarum - Delightfully simple forums. Flarum is the nextgeneration forum software that makes online discussion fun again.

beta - Updated 2 days ago

Fresh

The most recent release v0.1.0-beta.14 was published 4 months ago and has a status of beta

The latest commit was 2 days ago

11262

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

flaskbb - FlaskBB is forum software written in Python using the microframework Flask. You can easily create new topics, posts and send other users private messages. It also includes basic administration and moderation tools.

stable - Updated 1 month ago

The most recent release v2.0.0 was published 2 years ago and has a status of stable

The latest commit was 1 month ago

1993

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

FluxBB - Fast, light, userfriendly forum software for your website.

beta - Updated 1 year ago

The most recent release fluxbb-1.4.12 was published 7 years ago and has a status of beta

The latest commit was 1 year ago

435

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Friendica - Social Communication Server.

stable - Updated 14 hours ago

Fresh

The most recent release 2021.01 was published 1 month ago and has a status of stable

The latest commit was 14 hours ago

930

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

GNU social - Social communication software for both public and private communications.

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Hubzilla - Decentralized identity, privacy, publishing, sharing, cloud storage, and communications/social platform.

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

HumHub - Flexible kit for private social networks.

beta - Updated 11 hours ago

Fresh

The most recent release v1.8.0-beta.2 was published 1 week ago and has a status of beta

The latest commit was 11 hours ago

5290

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Isso - Lightweight commenting server written in Python and Javascript. It aims to be a dropin replacement for Disqus.

stable - Updated 6 days ago

Fresh

The most recent release 0.12.2 was published 4 months ago and has a status of stable

The latest commit was 6 days ago

4311

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Lemmy - A link aggregator / reddit clone for the fediverse. Reddit alternative built in Rust.

stable - Updated 6 hours ago

Fresh

The most recent release 0.9.9 was published 6 days ago and has a status of stable

The latest commit was 6 hours ago

4798

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Loomio - Loomio is a collaborative decisionmaking tool that makes it easy for anyone to participate in decisions which affect them.

stable - Updated 3 hours ago

Fresh

The most recent release v2.7.1 was published 1 week ago and has a status of stable

The latest commit was 3 hours ago

2035

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Mastodon - Federated microblogging server, an alternative to GNU social.

stable - Updated 1 day ago

Fresh

The most recent release v3.3.0 was published 2 months ago and has a status of stable

The latest commit was 1 day ago

23765

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Misago - Misago is fully featured modern forum application that is fast, scalable and responsive.

stable - Updated 9 months ago

The most recent release 0.27.0 was published 9 months ago and has a status of stable

The latest commit was 9 months ago

2055

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Movim - Modern, federated social network based on XMPP, with a fully featured groupchat, subscriptions and microblogging.

stable - Updated 5 days ago

Fresh

The most recent release v0.19 was published 5 days ago and has a status of stable

The latest commit was 5 days ago

1158

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

MyBB - Free, extensible forum software package.

stable - Updated 5 hours ago

Fresh

The most recent release mybb_1825 was published 3 days ago and has a status of stable

The latest commit was 5 hours ago

746

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

NodeBB - Node.js based forum software built for the modern web.

beta - Updated 4 hours ago

Fresh

The most recent release v1.17.0-beta.0 was published 6 days ago and has a status of beta

The latest commit was 4 hours ago

11708

389

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Orange Forum - Orange Forum is an easy to deploy forum that has minimal dependencies and uses very little javascript.

stable - Updated 1 week ago

The most recent release v1.4.0 was published 3 years ago and has a status of stable

The latest commit was 1 week ago

373

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

OSSN - Open Source Social Network (OSSN) is a social networking software written in PHP. It allows you to make a social networking website and helps your members build social relationships, with people who share similar professional or personal interests.

stable - Updated 1 week ago

Fresh

The most recent release 5.6 was published 3 months ago and has a status of stable

The latest commit was 1 week ago

701

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Oxwall - Oxwall is used for a wide range of projects starting from family sites and custom social networks to collaboration tools and enterprise community solutions.

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Patchwork - Decentralized messaging and sharing app built on top of Secure Scuttlebutt (SSB).

beta - Updated 2 weeks ago

Fresh

The most recent release v3.18.1-beta.3 was published 3 weeks ago and has a status of beta

The latest commit was 2 weeks ago

3374

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

phpBB - Flatforum bulletin board software solution that can be used to stay in touch with a group of people or can power your entire website.

Updated 10 hours ago

Fresh

The latest commit was 10 hours ago

1390

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

PixelFed - Pixelfed is an opensource, federated platform alternate to Instagram.

stable - Updated 1 day ago

Fresh

The most recent release v0.10.10 was published 4 weeks ago and has a status of stable

The latest commit was 1 day ago

2768

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Pleroma - Federated microblogging server, Mastodon, GNU social, & ActivityPub compatible.

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

PPnet - Create and host your own social network.

stable - Updated 2 years ago

The most recent release v2.3.1 was published 5 years ago and has a status of stable

The latest commit was 2 years ago

118

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Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Pump.io - Stream server that does most of what people really want from a social network.

stable - Updated 2 months ago

Fresh

The most recent release v5.0.4 was published 5 months ago and has a status of stable

The latest commit was 2 months ago

2025

141

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

remark42 - A lightweight and simple comment engine, which doesn't spy on users. It can be embedded into blogs, articles or any other place where readers add comments.

stable - Updated 1 day ago

Fresh

The most recent release v1.6.0 was published 10 months ago and has a status of stable

The latest commit was 1 day ago

2669

57

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Scoold - Stack Overflow in a JAR. An enterpriseready Q&A platform with fulltext search, SAML, LDAP integration and social login support.

stable - Updated 1 day ago

Fresh

The most recent release 1.41.1 was published 1 month ago and has a status of stable

The latest commit was 1 day ago

459

22

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Simple Machines Forum - Free, professional grade software package that allows you to set up your own online community within minutes.

RC - Updated 13 hours ago

Fresh

The most recent release v2.1-rc.3 was published 4 months ago and has a status of RC

The latest commit was 13 hours ago

412

70

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Talkyard - Create a community, where your users can suggest ideas and get questions answered. And have friendly openended discussions and chat (Slack/StackOverflow/Discourse/Reddit/Disqus hybrid).

Updated 1 day ago

Fresh

The latest commit was 1 day ago

1206

26

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Tokumei - Anonymous microblogging platform.

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Thredded - Forums, featurerich and simple.

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

twister - Fully decentralized P2P microblogging platform leveraging the free software implementations of Bitcoin and BitTorrent protocols.

Updated 1 month ago

Fresh

The latest commit was 1 month ago

1370

140

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Vanilla Forums - Simple and flexible forum software.

stable - Updated 2 weeks ago

Fresh

The most recent release 2021.003 was published 2 weeks ago and has a status of stable

The latest commit was 2 weeks ago

2290

121

Communication systems XMPP XMPP Servers Extensible Messaging and Presence Protocol software

ejabberd - XMPP instant messaging server.

Updated 2 days ago

Fresh

The latest commit was 2 days ago

4789

280

Communication systems XMPP XMPP Servers Extensible Messaging and Presence Protocol software

Kontalk - Kontalk is an Open Source Messenger, similar to WhatsApp (app for android only currently), including endtoend encryption, server is based on Tigase XMPP Server.

Communication systems XMPP XMPP Servers Extensible Messaging and Presence Protocol software

Metronome IM - Fork of Prosody IM.

stable - Updated 1 week ago

Fresh

The most recent release v3.14.1 was published 9 months ago and has a status of stable

The latest commit was 1 week ago

140

15

Communication systems XMPP XMPP Servers Extensible Messaging and Presence Protocol software

MongooseIM - Mobile messaging platform with a focus on performance and scalability.

stable - Updated 3 days ago

Fresh

The most recent release 4.1.0 was published 3 weeks ago and has a status of stable

The latest commit was 3 days ago

1382

110

Communication systems XMPP XMPP Servers Extensible Messaging and Presence Protocol software

Openfire - Real time collaboration (RTC) server.

stable - Updated 2 weeks ago

Fresh

The most recent release v4.6.2 was published 2 weeks ago and has a status of stable

The latest commit was 2 weeks ago

2296

253

Communication systems XMPP XMPP Servers Extensible Messaging and Presence Protocol software

Prosody IM - Featurerich and easy to configure XMPP server.

Communication systems XMPP XMPP Servers Extensible Messaging and Presence Protocol software

Tigase - XMPP server implementation in Java.

Communication systems XMPP XMPP Web Clients Extensible Messaging and Presence Protocol software

Candy - Multi user XMPP client written in Javascript.

stable - Updated 5 months ago

The most recent release v2.2.0 was published 5 years ago and has a status of stable

The latest commit was 5 months ago

1313

86

Communication systems XMPP XMPP Web Clients Extensible Messaging and Presence Protocol software

Converse.js - Free and opensource XMPP chat client in your browser.

stable - Updated 1 day ago

Fresh

The most recent release v7.0.4 was published 2 months ago and has a status of stable

The latest commit was 1 day ago

2629

154

Communication systems XMPP XMPP Web Clients Extensible Messaging and Presence Protocol software

JSXC - Realtime XMPP web chat application with video calls, file transfer and encrypted communication. There are also versions for Nextcloud/Owncloud and SOGo.

stable - Updated 1 month ago

Fresh

The most recent release v4.2.1 was published 1 month ago and has a status of stable

The latest commit was 1 month ago

597

70

Communication systems XMPP XMPP Web Clients Extensible Messaging and Presence Protocol software

Kaiwa - Web based chat client in the style of common paid alternatives.

Updated 3 years ago

The latest commit was 3 years ago

1363

54

Communication systems XMPP XMPP Web Clients Extensible Messaging and Presence Protocol software

Salut à Toi - Multipurpose, multi frontend, libre and decentralized communication tool. Web frontend from Salut à Toi.

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Misskey - Decentralized applike microblogging server/SNS for the Fediverse, using the ActivityPub protocol like GNU social and Mastodon.

stable - Updated 8 hours ago

Fresh

The most recent release 12.71.0 was published 5 days ago and has a status of stable

The latest commit was 8 hours ago

1655

43

Communication systems Custom communication systems

Darkwire.io - Endtoend encrypted instant web chat.

Communication systems Custom communication systems

OTS - OneTimeSecret sharing platform with a symmetric 256bit AES encryption in the browser.

stable - Updated 4 months ago

The most recent release v0.18.1 was published 4 months ago and has a status of stable

The latest commit was 4 months ago

82

4

Communication systems Custom communication systems

Shhh - Keep secrets out of emails or chat logs, share them using secure links with passphrase and expiration dates.

stable - Updated 1 week ago

Fresh

The most recent release 2.3.7 was published 1 month ago and has a status of stable

The latest commit was 1 week ago

158

5

Communication systems Email Complete solutions

SimpleLogin - Open source email alias solution to protect your email address. Comes with browser extensions and mobile apps.

Updated 20 hours ago

Fresh

The latest commit was 20 hours ago

919

27

Communication systems Email Webmail clients

AnonAddy - Open source email forwarding service for creating aliases.

stable - Updated 1 day ago

Fresh

The most recent release v0.7.1 was published 1 day ago and has a status of stable

The latest commit was 1 day ago

985

21

Communication systems SIP Webmail clients SIP/IPBX telephony software

Routr - A lightweight sip proxy, location server, and registrar for a reliable and scalable SIP infrastructure.

RC - Updated 5 days ago

Fresh

The most recent release 1.0.0-rc5 was published 7 months ago and has a status of RC

The latest commit was 5 days ago

782

39

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

EpochTalk - Next Generation Forum Software.

stable - Updated 3 months ago

Fresh

The most recent release v1.35.6 was published 3 months ago and has a status of stable

The latest commit was 3 months ago

110

17

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Glosa - Open source commentary system easy to integrate with static pages. You can import from Disqus.

stable - Updated 3 days ago

Fresh

The most recent release v1.3.8 was published 3 days ago and has a status of stable

The latest commit was 3 days ago

59

3

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Gosora - Gosora is an ultrafast and secure forum software written in Go that balances usability with functionality.

stable - Updated 1 week ago

The most recent release 0.2.0 was published 1 year ago and has a status of stable

The latest commit was 1 week ago

130

14

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Satellity - Yet another open source forum written in Golang, React and PostgreSQL.

stable - Updated 5 days ago

The most recent release 0.12.0 was published 1 year ago and has a status of stable

The latest commit was 5 days ago

446

17

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

Zusam - Free and opensource way to selfhost private forums for groups of friends or family.

stable - Updated 1 month ago

Fresh

The most recent release 0.4.3 was published 1 month ago and has a status of stable

The latest commit was 1 month ago

23

4

Communication systems Email Complete solutions

Excision Mail - Fullstack, security focused mailserver based on OpenSMTPD for OpenBSD using ansible.

beta - Updated 1 week ago

Fresh

The most recent release 0.1.1b was published 4 months ago and has a status of beta

The latest commit was 1 week ago

83

9

Communication systems Custom communication systems

BluetoothCommunicatorExample - Bluetooth LE chat app to communicate between android devices with P2P architecture.

Communication systems Custom communication systems

Conduit - A simple, fast, and reliable chat server powered by Matrix.

Communication systems Custom communication systems

Papercups - An open source live customer chat web app written in Elixir.

stable - Updated 6 hours ago

Fresh

The most recent release v1.0.0 was published 6 months ago and has a status of stable

The latest commit was 6 hours ago

2666

36

Communication systems Custom communication systems

PushBits - Selfhosted notification server for relaying push notifications via Matrix, similar to PushBullet and Gotify.

Updated 2 weeks ago

Fresh

The latest commit was 2 weeks ago

31

2

Communication systems Custom communication systems

Tinode - Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots. (, , )

Communication systems Custom communication systems

WBO - A web Whiteboard to collaborate in realtime on schemas, drawings, and notes.

Communication systems Email Complete solutions

DebOps - Your Debianbased data center in a box. A set of generalpurpose Ansible roles that can be used to manage Debian or Ubuntu hosts.

stable - Updated 6 days ago

Fresh

The most recent release v2.2.0 was published 3 weeks ago and has a status of stable

The latest commit was 6 days ago

726

49

Communication systems Email Complete solutions

Ptorx - 📩🛡 Email privacy. Anonymously send and receive with alias forwarding.

stable - Updated 4 months ago

The most recent release 6.8.2 was published 1 year ago and has a status of stable

The latest commit was 4 months ago

184

6

Communication systems Email Mailing lists and Newsletters

HyperKitty - Open source Django application to provide a web interface to access GNU Mailman v3 archives.

Communication systems Email Mailing lists and Newsletters

Postorius - Web user interface to access GNU Mailman.

Communication systems Email Webmail clients

Isotope Mail - Microservice based webmail client built with ReactJS and Spring.

Updated 1 year ago

The latest commit was 1 year ago

142

9

Communication systems IRC Webmail clients IRC communication software

Oragono - Modern IRCv3 server written in Go, combining the features of an ircd, a services framework, and a bouncer.

stable - Updated 1 day ago

Fresh

The most recent release v2.5.1 was published 3 weeks ago and has a status of stable

The latest commit was 1 day ago

1164

30

Communication systems Social Networks and Forums Webmail clients SIP/IPBX telephony software

twtxt.net - a SelfHosted, Twitter™like Decentralised micrologging platform. No ads, no tracking, your content, your data. An RSS/Atom feed aggregator commandline tool and web service that consumes RSS/Atom and produces twtxt.net feeds for consumption by twtxt clients.

Self Hosted > Communication systems