/thelounge
💬 Modern, responsive, cross-platform, self-hosted web IRC client
5
/papercups
Open-source live customer chat
3
/berty
Berty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network
12
/toxcore
The future of online communications.
24
/lets-chat
Self-hosted chat app for small teams
31
/chat
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
39
/incubator-
A Q&A platform software for teams at any scales. Whether it's a community forum, help center, or knowledge management platform, you can always count on Apache Answer.
11
/lemmy
🐀 A link aggregator and forum for the fediverse
8
/NodeBB
Node.js based forum software built for the modern web
/flarum
Simple forum software for building great communities.
1
/chatwoot
Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬
4
/discourse
A platform for community discussion. Free, open, simple.
/conduit
Conduit is a simple, fast and reliable chat server powered by Matrix https://conduit.rs
20
/spreed
🗨️ Nextcloud Talk – chat, video & audio calls for Nextcloud
/revolt
Repository for miscellaneous repository management and discussions: https://github.com/revoltchat/revolt/discussions
/zulip
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
9
/Signal-Ser
Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS
30
/databag
fast & lightweight self-hosted messenger
7
/jitsi-meet
Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.
/Rocket.Cha
The communications platform that puts data protection first.
/synapse
Synapse: Matrix homeserver written in Python/Twisted.
/mattermost
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
