Federated ChatThat's All Fun& Freedom
Connect with friends across the fediverse while keeping your data yours. Voice calls, video chat, and real-time messaging with optional end-to-end encryption.
Everything you need to connect
Harmony combines the best of Discord with the freedom of federation
Real-Time Messaging
Instant message delivery with typing indicators, reactions, and rich media support.
Crystal Clear Voice
High-quality voice chat with spatial audio so you can hear everyone clearly.
HD Video Calls
Face-to-face conversations in DMs or group calls with screen sharing.
ActivityPub Federation
Connect with Mastodon, Pleroma, and the entire fediverse seamlessly.
Optional E2EE
End-to-end encryption using Matrix-like encryption for your most private conversations.
Self-Hostable
Run your own instance and own your data. Full control, full privacy.
Voice that sounds like you're in the same room
Our spatial audio technology positions voices in 3D space, making it easy to follow conversations even when multiple people talk at once. No more awkward interruptions.
- Position-based audio for natural conversations
- Separate multiple speakers easily
- Low latency for real-time gaming
Connect across the Fediverse
Harmony uses the ActivityPub protocol to connect with Mastodon, Pleroma, Misskey, and thousands of other federated platforms. Your community, expanded globally.
Your data stays yours
Unlike centralized platforms, Harmony puts you in control. Self-host your own instance, enable end-to-end encryption, and connect with the open fediverse.
- Matrix-like E2EE
- No corporate data harvesting
- Self-host for complete control
Bring your Discord community along
Our Discord Bridge plugin lets you connect your existing Discord server to Harmony. Messages sync both ways, so you can gradually migrate your community while staying connected.
- Two-way message sync
- Keep your existing Discord users connected
- Gradual, pressure-free migration
HarmonyReady to join the federated future?
Download Harmony and start chatting with friends across the fediverse.