💬 Communication
8 open source communication projects reviewed and verified.
M
Mattermost✓ Verified★ 31K
Secure team collaboration platform. Channels, threads, integrations, and playbooks.
Alt: Slack, Teams
J
Jitsi Meet✓ Verified★ 23K
Secure video conferencing. No account needed, end-to-end encrypted, self-hostable.
Alt: Zoom, Google Meet
O
Outline✓ Verified★ 29K
Team knowledge base and wiki. Beautiful docs with real-time collaboration.
Alt: Notion, Confluence
C
Chatwoot✓ Verified★ 22K
Open source customer engagement platform. Live chat, email, social, and WhatsApp in one inbox.
Alt: Intercom, Zendesk
L
Listmonk✓ Verified★ 16K
Self-hosted newsletter and mailing list manager. High-performance with a clean interface.
Alt: Mailchimp, ConvertKit
H
HedgeDoc✓ Verified★ 5K
Real-time collaborative markdown editor. Share notes and documents with your team instantly.
Alt: Google Docs, HackMD
R
Rocket.Chat✓ Verified★ 41K
Open source team communication platform. Messages, video calls, file sharing, and omnichannel.
Alt: Slack, Teams, Discord
E
Element✓ Verified★ 11K
Secure decentralized messenger built on Matrix. End-to-end encrypted group chat and calls.
Alt: Slack, Discord, Teams