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.
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Why it matters
The Discord Bridge is the part that matters: 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.
Key Facts
- Harmony is free, open-source software for running a self-hosted community with chat, voice, video, screen sharing, and bots.
- Harmony's Discord Bridge pairs text channels one-to-one and can relay messages in both directions.
- Bridged messages carry the original sender's name and avatar, and edits, deletions, reactions, and threads are supported.
- Voice and video calls are not bridged, and messages sent while the bridge was offline are not synced retroactively.
- Harmony supports ActivityPub for interaction between independently operated Harmony instances.
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.
Harmony runs a Discord-like layout: channels on the left, conversation in the center, members on the right. A new community comes with a general text channel and a voice chat channel already in place, and administrators add the rest.
The bridge is configured under Discord Bridge in the settings panel, where administrators pick either the instance's built-in bot or a custom bot, then pair channels on each side and set the direction to bidirectional. Harmony also supports ActivityPub for interaction between separate Harmony instances, plus role-based permissions, AutoMod spam filtering, custom emojis, and two-factor authentication.
Written with AI by Yomimono from the 1 cited source below, including Japanese-language reporting where cited. See our editorial policy.
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