# Mailcow vs transfer.sh

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

| | Mailcow | transfer.sh |
|---|---|---|
| Score | 77/100 ✓ | 69/100 |
| Rank in category | #2 of 106 in Email | #9 of 86 in File Sharing |
| GitHub stars | 13 713 | 15 908 ✓ |
| Stars, last 30 days | +215 ✓ | +11 |
| Stable releases, 12 months | 16 ✓ | 0 |
| Latest release | 2026-10 · 21 Oct 2026 | — |
| Setup | Advanced | Easy ✓ |
| Official Docker image | No | Yes ✓ |
| License | GPL-3.0 | MIT |
| Main language | JavaScript | Go |

## Which one should you pick?

Mailcow scores 77/100 against 69/100 for transfer.sh, so it is the safer default.

Mailcow ships more often: 16 stable releases in the past year, against 0 for transfer.sh.

If you want the quickest setup, transfer.sh is easier to run; Mailcow needs more configuration.

Mailcow is growing faster right now (+215 stars in 30 days).

## Details

- [Mailcow](https://selfhost.directory/project/mailcow) (markdown: https://selfhost.directory/project/mailcow.md)
- [transfer.sh](https://selfhost.directory/project/transfersh) (markdown: https://selfhost.directory/project/transfersh.md)

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Source: https://selfhost.directory/compare/mailcow-vs-transfersh