alternatives to
Hosted chat service organised in servers with text channels, voice and video channels, roles and bots. A closed product from Discord.
| Tool | Fit | Stars | Licence | Terms | Self-hosted | Language | Latest | Last push |
|---|---|---|---|---|---|---|---|---|
| Fluxer | Full replacement | 10k | AGPL-3.0 | Open source | Yes | TypeScript | fluxer-app-proxy@2026.1006.1600 | 2026-10-06 |
| Stoat | Full replacement | 3.4k | Other | Open source | Yes | Rust | v0.15.7 | 2026-10-06 |
| Mumble | Partial | 8.3k | Other | Open source | Yes | C++ | v1.5.915 | 2026-10-05 |
| Synapse | Partial | 4.7k | AGPL-3.0 | Open source | Yes | Python | v1.162.0 | 2026-10-06 |
| Spacebar | Partial | 2.2k | AGPL-3.0 | Open source | Yes | TypeScript | none | 2026-09-30 |
5 alternatives
A free and open source instant messaging and VoIP chat app built for friends, groups, and communities.
Community servers with text, voice and video channels, roles and bots, on the hosted service or your own instance.
The software powering Stoat
Servers with text and voice channels, roles and bots on your own server. Formerly Revolt.
Mumble is an open-source, low-latency, high quality voice chat software.
Low-latency voice chat in channels on your own server, with text messages but no message history or video.
Synapse: Matrix homeserver written in Python/Twisted + Rust
A Matrix homeserver; communities are organised as spaces of rooms through a client such as Element, and can federate with other servers.
Spacebar server - A reimplementation of the Discord.com backend, built with Typescript and love
Reimplements Discord's backend so existing Discord clients and bots can connect to your own server, though some clients do not work yet.