krokivsThumbor
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| kroki | Thumbor | |
|---|---|---|
| Score | 68/100 | 72/100 |
| Rank in category | #4 of 12 in Diagramming | #2 of 13 in Image Processing |
| GitHub stars | 4 386 | 10 528 |
| Stars, last 30 days | +42 | +7 |
| Stable releases, 12 months | 10 | 1 |
| Latest release | v0.34.0 · 25 Oct 2026 | 7.8.0 · 30 May 2026 |
| Setup | Easy | Easy |
| Official Docker image | Yes | Yes |
| License | MIT | MIT |
| Main language | JavaScript | Python |
Which one should you pick?
Thumbor scores 72/100 against 68/100 for kroki, so it is the safer default.
kroki ships more often: 10 stable releases in the past year, against 1 for Thumbor.
kroki is growing faster right now (+42 stars in 30 days).
kroki details →Thumbor details →
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