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Harmony

Harmony is a free, open-source, self-hostable platform for running small communities, with a Discord Bridge that relays text channels one-to-one in both directions. The bridge does not carry voice or video calls and does not sync messages sent while it was offline.

Synthesized from 5 Yomimono stories · updated 1h ago

Harmony is a free, open-source, self-hostable platform for running small communities. It has channels, threads, surveys, voice and video calls, screen sharing, bots, and webhooks. The Discord Bridge pairs text channels one-to-one and relays messages in both directions, carrying sender names, avatars, edits, deletions, reactions, and threads. Voice and video calls are not bridged, and messages sent while the bridge was offline are not synced retroactively.

The bridge is the part that matters for communities already on Discord. It lets a community keep its existing Discord server while running its own instance, so the migration question becomes a channel-by-channel choice rather than a move. The limits are stated plainly: calls stay on their original side, and anything sent during an outage does not come back.

Coverage of Harmony in this cluster is otherwise unrelated to the platform. The other stories use the word for Sanrio Character Park Harmonyland in Hiji, Oita Prefecture, for the IDOLiSH7 Harmony Lounge collaboration cafe, and for the compilation album 'Sparkling Harmony' released on June 24 from the V Note Fes 2025 contest. None of them describe the community platform.

Key facts

Platform type
Free, open-source, self-hostable platform for running small communities ↗
Features
Channels, threads, surveys, voice and video calls, screen sharing, bots, and webhooks ↗
Discord Bridge behavior
Pairs text channels one-to-one and relays messages in both directions, carrying sender names, avatars, edits, deletions, reactions, and threads ↗
Bridge limits
Voice and video calls are not bridged, and messages sent while the bridge was offline are not synced retroactively ↗

Timeline

Written with AI from the cited Yomimono stories below, each itself sourced. See our editorial policy. Every fact links the story it came from.

Facts

Announced
free, open-source, self-hostable community chat platform with a two-way Discord Bridge · 2026-11-07

Structured graph also available as JSON at /public/entities/harmony. CC BY 4.0.

All coverage

1h ago

Harmony Offers Self-Hosted Community Chat with a Two-Way Discord Bridge

Harmony is a free, open-source, self-hostable platform for running small communities, with channels, threads, surveys, voice and video calls, screen sharing, bots, and webhooks. Its Discord Bridge pairs text channels one-to-one and relays messages in both directions, carrying sender names, avatars, edits, deletions, reactions, and threads. Voice and video calls are not bridged, and messages sent while the bridge was offline are not synced retroactively.