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Open Source Team Chat & Messaging Tools using Python

A curated collection of the best open source platforms for real-time team messaging, with channels, direct messages, threads, file sharing, and app integrations. using Python.

Team chat with email, tasks, and docs in one workspace
  • Stars


    3,755
  • Last commit


    6 hours ago
  • License


    AGPL-3.0
Team chat app with inline threads, mention-based sharing, a unified inbox for chat and email, and an AI agent that works across your full workspace.

Open Source Alternative to:

Team chat, project management, and AI agents in one place
  • Stars


    28,605
  • Last commit


    6 hours ago
  • License


    Apache-2.0
Workspace that combines team chat, project planning, and git management with AI agents that collaborate alongside your team on shared context.

Open Source Alternative to:

Organized team chat for distributed teams
  • Stars


    25,730
  • Last commit


    6 hours ago
  • License


    Apache-2.0
Zulip is an open-source team chat app that uses threaded conversations to keep communication organized and efficient for teams of all sizes.

Open Source Alternative to:

Open source messaging with privacy and community focus
  • Stars


    10,035
  • Last commit


    6 hours ago
  • License


    AGPL-3.0
Free, open-source instant messaging and VoIP platform with full Markdown support, voice/video calls, moderation tools, and self-hosting options for communities.

Open Source Alternative to:

Secure, decentralized messaging for teams and individuals
  • Stars


    13,388
  • Last commit


    6 hours ago
  • License


    AGPL-3.0
Open-source platform for encrypted communication, file sharing, and collaboration based on the Matrix protocol.

Open Source Alternative to:

Group chat for friends and communities, without the baggage
  • Stars


    3,231
  • Last commit


    1 day ago
  • License


    Unknown
Self-hostable group chat with servers, channels, voice, and moderation tools. No ads, no data mining, built under EU privacy law.

Open Source Alternative to:

Serverless team chat over Tor, no phone number needed
  • Stars


    2,638
  • Last commit


    11 hours ago
  • License


    GPL-3.0
Quiet is a peer-to-peer messaging app that syncs messages directly between devices over Tor, with no central server, no phone number required, and no metadata leaks.

Open Source Alternative to:

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