Remark42
Chat & CommunicationPrivacy-focused lightweight commenting engine
Replaces Disqus
Best No-Database Chat & Communication for self-hosting
The 4 best No-Database chat & communication you can self-host, ranked by community traction.
MiroTalk
Chat & CommunicationFree WebRTC video conferencing and meeting rooms
Replaces Zoom, Google Meet
Rustpad
Chat & CommunicationMinimal collaborative real-time text editor
Replaces Google Docs, Etherpad
Galène
Chat & CommunicationLightweight videoconferencing server
Replaces Zoom, Google Meet
No apps match these filters.
At a glance
| App | Deploy effort | Difficulty | Min. RAM | License | ★ Stars |
|---|---|---|---|---|---|
| Remark42 | Under-an-hour setup | Easy | 128 MB | MIT | 5,623 |
| MiroTalk | Under-an-hour setup | Easy | 512 MB | AGPL-3.0 | 4,788 |
| Rustpad | Under-an-hour setup | Easy | 64 MB | MIT | 4,077 |
| Galène | Under-an-hour setup | Easy | 128 MB | MIT | 1,416 |
Quick picks
- Most adopted: Remark42 (5,623 GitHub stars).
- Lightest footprint: Rustpad (from 64 MB RAM, against 512 MB for the heaviest here).
- Licensing: 3 of 4 use MIT; check the rest individually if you plan to modify and redistribute.
Every option here is open-source and self-hostable, tagged No-Database within the chat & communication category. Deploy effort is graded from published container recipes, not vendor claims — see the methodology.