Open Source Team Chat & Messaging Tools using SCSS
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 SCSS.
Self-hosted team messaging with voice, video, and AI
Stars
46,017Last commit
18 hours agoLicense
MIT
Open source communication platform combining messaging, voice, video, and AI for organizations that need full data control, air-gapped deployments, and zero-trust security.
Open Source Alternative to:
Secure collaboration platform for mission-critical work
Stars
38,871Last commit
14 hours agoLicense
Unknown
Mattermost provides a flexible, open-source platform for secure team collaboration, designed for organizations with strict security and privacy requirements.
Open Source Alternative to:
Secure and elegant Matrix client for seamless conversations
Stars
3,855Last commit
8 days agoLicense
AGPL-3.0
Cinny offers a simple, elegant, and secure interface for Matrix-based conversations, protected by end-to-end encryption.
Open Source Alternative to:
Create custom spaces to chat, game, and connect globally
Stars
1,577Last commit
11 hours agoLicense
MIT
Build your own community space for gaming, chatting, and hanging out with friends worldwide. Customize your environment for the perfect social experience.
Open Source Alternative to:
Secure open source messaging for professional teams
Stars
163Last commit
14 hours agoLicense
AGPL-3.0
Free Matrix-based messenger with end-to-end encryption, multi-platform bridges, and on-premise deployment. Connect across 30+ networks securely.
Open Source Alternative to:
Openlane – Open-source, developer-first platform for automated compliance, risk management, and built-in Trust Center.
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