Communication & Social
Discover open-source Communication & Social tools — each one community-curated and honestly ranked so you can find something dependable to build with.
12 open-source tools in this category.
MastodonCurated
Self-hosted social networking server using ActivityPub; a federated alternative to X/Twitter.
DiscourseCurated
Discussion forum and community platform with topics, categories, and moderation tools.
Rocket.ChatCurated
Self-hosted team chat with channels, video calls, and integrations; an alternative to Slack. Core is MIT; ee/ subdirectory has a separate…
MattermostCurated
Self-hosted team messaging and collaboration platform, AGPL-licensed; an alternative to Slack.
ChatwootCurated
Self-hosted customer support and live-chat platform; an alternative to Intercom or Zendesk. Core is MIT; enterprise/ has a separate license.
Jitsi MeetCurated
Encrypted, self-hostable video conferencing — start or join a meeting from the browser, no account needed.
Signal (Android)Curated
Android client for the Signal end-to-end encrypted messaging app.
ZulipCurated
Team chat organized by topic threads within channels; an alternative to Slack.
SimpleX ChatCurated
Private messaging network and apps that operate without user identifiers, for iOS, Android, and desktop.
LemmyCurated
Federated link-aggregation and discussion platform using ActivityPub; an alternative to Reddit.
Element (Web)Curated
Web client for the Matrix messaging protocol, with encrypted chat, voice, and video calls.
Self-hosted social media scheduler for publishing to Bluesky, Mastodon, X, LinkedIn, Threads, and more.
