Supabase
Open-source Firebase alternative
Static comparison
Supabase has the stronger current ToolVitals signal, but check fit, license class, source coverage, and confidence before switching.
Open-source Firebase alternative
Appwrite® - complete cloud infrastructure for your web, mobile and AI apps. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime and more
| Use case | Developer Infrastructure | Developer Infrastructure |
|---|---|---|
| Openness | OSI-approved OSS | OSI-approved OSS |
| License | Apache-2.0 | BSD-3-Clause |
| Health | 98 | 97 |
| Shipping | 98 | 97 |
| ToolVitals score | 98 | 97 |
| Data confidence | 90 | 90 |
| Source coverage | 100 | 100 |
| GitHub stars | 108,985 | 57,328 |
| Forks | 13,724 | 5,697 |
| Watchers | 741 | 423 |
| Open issues | 1,121 | 994 |
| Last commit | Sep 11, 2026 | Sep 11, 2026 |
| Commits (30d) | 506 | 872 |
| Commits (90d) | 1,624 | 2,305 |
| Active contributors (90d) | 65 | 13 |
| Releases (90d) | 2 | 8 |
| Status reason | Commit continuity, contributor activity, and delivery signals are strong. | Commit continuity, contributor activity, and delivery signals are strong. |
Decision notes
Both tools are tracked under Developer Infrastructure, so this is a closer alternative comparison.
The overall signal is close; license, source quality, and fit matter more than the headline score.
Supabase is tracked as OSI-approved open source with high confidence in ToolVitals data.
Appwrite is tracked as OSI-approved open source with high confidence in ToolVitals data.
Supabase has the stronger current ToolVitals signal, but check fit, license class, source coverage, and confidence before switching.
Yes. ToolVitals classifies both tools in the Developer Infrastructure use case, so the score, health, shipping, source coverage, and license rows can be read as a close comparison.
No. Sponsors and affiliate links do not affect ToolVitals scores, rankings, risk labels, or evidence display.
Affiliate CTAs, when present, use sponsored links and never affect scores, rankings, risk labels, evidence freshness, or comparison verdicts.