BestCommunication / Self-HostedTools

Open source communication and collaboration tools. Find Slack alternatives like Rocket.Chat, Mattermost, and Zulip, video conferencing platforms like Jitsi Meet and BigBlueButton, customer support tools like Chatwoot, and Matrix-based messaging clients. Keep team conversations secure and under your control.

Openfire

An XMPP server licensed under the Open Source Apache License.

XMPP

mattermost

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

Collaboration

tailchat

Next generation noIM application in your own workspace, not only another Slack/Discord/Rocket.chat

Instant Messaging

keila

Open Source Newsletter Tool.

Newsletter

ejabberd

Robust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server)

XMPP

synapse

Synapse: Matrix homeserver written in Python/Twisted + Rust

Matrix

mirotalk

🚀 Self-hosted open-source WebRTC video conferencing platform built on peer-to-peer (P2P) architecture for fast, secure real-time communication with end-to-end privacy.

Video Conferencing

movim

Movim - Decentralized social platform

chat