Mumble
Chat & CommunicationLow-latency, high-quality voice chat application
Replaces Discord, TeamSpeak
Easiest Chat & Communication to self-host
21 chat & communication apps that are easy to get running, ranked by verified deploy effort, project health, and popularity.
Remark42
Chat & CommunicationPrivacy-focused lightweight commenting engine
Replaces Disqus
The Lounge
Chat & CommunicationModern, self-hosted web IRC client
Replaces IRCCloud, Slack
Ferdium
Chat & CommunicationAll-in-one messenger that combines chat services
Replaces Rambox, Station
Isso
Chat & CommunicationLightweight self-hosted commenting server
Replaces Disqus
MiroTalk
Chat & CommunicationFree WebRTC video conferencing and meeting rooms
Replaces Zoom, Google Meet
Galène
Chat & CommunicationLightweight videoconferencing server
Replaces Zoom, Google Meet
Ferdium Server
Chat & CommunicationSelf-hosted backend for syncing Ferdium settings
Replaces Franz Server
Soketi
Chat & CommunicationSelf-hostable WebSocket server compatible with Pusher
Replaces Pusher
Rustpad
Chat & CommunicationMinimal collaborative real-time text editor
Replaces Google Docs, Etherpad
Comentario
Chat & CommunicationPrivacy-friendly, self-hosted web comments engine
Replaces Disqus
Screego
Chat & CommunicationScreen sharing for developers
Indico
Chat & CommunicationFeature-rich event management system
Replaces Zoho Backstage
SimpleX
Chat & CommunicationMessaging platform operating without user identifiers
ngIRCd
Chat & CommunicationLightweight Unix IRC server that is easy to configure
Replaces Slack
Mollysocket
Chat & CommunicationServer for unified push support in Molly chat application
matrix-commander
Chat & CommunicationCommand-line tool for sending and receiving Matrix messages
Replaces Slack CLI
Peer-calls
Chat & CommunicationGroup peer to peer video calls for everyone
Replaces BigBlueButton, Skype
Scuttlebutt Room
Chat & CommunicationSecure Scuttlebutt room server
Gamja
Chat & CommunicationSimple, lightweight web-based IRC client
Replaces IRCCloud
Mailing List Manager
Chat & CommunicationSimple and efficient mailing list manager
No apps match these filters.
The shortlist at a glance
| App | Deploy effort | Difficulty | Min. RAM | License | ★ Stars |
|---|---|---|---|---|---|
| Mumble | Under-an-hour setup | Easy | 128 MB | BSD-3-Clause | 8,340 |
| Remark42 | Under-an-hour setup | Easy | 128 MB | MIT | 5,623 |
| The Lounge | Under-an-hour setup | Easy | 256 MB | MIT | 6,355 |
| Ferdium | Under-an-hour setup | Easy | 512 MB | Apache-2.0 | 4,691 |
| Isso | Under-an-hour setup | Easy | 128 MB | MIT | 5,314 |
| MiroTalk | Under-an-hour setup | Easy | 512 MB | AGPL-3.0 | 4,788 |
| Galène | Under-an-hour setup | Easy | 128 MB | MIT | 1,416 |
| Ferdium Server | Under-an-hour setup | Easy | 256 MB | MIT | 296 |
| Soketi | Under-an-hour setup | Easy | 128 MB | AGPL-3.0 | 5,636 |
| Rustpad | Under-an-hour setup | Easy | 64 MB | MIT | 4,077 |