# Mailu vs Thumbor

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | Mailu | Thumbor |
|---|---|---|
| Score | 69/100 | 72/100 ✓ |
| Rank in category | #8 of 106 in Email | #2 of 13 in Image Processing |
| GitHub stars | 7 592 | 10 528 ✓ |
| Stars, last 30 days | +70 ✓ | +6 |
| Stable releases, 12 months | 22 ✓ | 1 |
| Latest release | 2024.06.67 · 23 Oct 2026 ✓ | 7.8.0 · 30 May 2026 |
| Setup | Moderate | Easy ✓ |
| Official Docker image | No | Yes ✓ |
| License | Other | MIT |
| Main language | Python | Python |

## Which one should you pick?

Thumbor scores 72/100 against 69/100 for Mailu, so it is the safer default.

Mailu ships more often: 22 stable releases in the past year, against 1 for Thumbor.

If you want the quickest setup, Thumbor is easier to run; Mailu needs more configuration.

Mailu is growing faster right now (+70 stars in 30 days).

## Details

- [Mailu](https://selfhost.directory/project/mailu) (markdown: https://selfhost.directory/project/mailu.md)
- [Thumbor](https://selfhost.directory/project/thumbor) (markdown: https://selfhost.directory/project/thumbor.md)

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Source: https://selfhost.directory/compare/mailu-vs-thumbor