# Open Data Capture vs Stalwart Mail Server

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

| | Open Data Capture | Stalwart Mail Server |
|---|---|---|
| Score | 47/100 | 79/100 ✓ |
| Rank in category | #3 of 3 in Data Collection | #2 of 16 in Mail Server |
| GitHub stars | 119 | 15 482 ✓ |
| Stars, last 30 days | +0 | +679 ✓ |
| Stable releases, 12 months | 10 | 31 ✓ |
| Latest release | v2.5.2 · 25 Sept 2026 | v1.0.1 · 28 Oct 2026 ✓ |
| Setup | Moderate | Moderate |
| Official Docker image | No | Yes ✓ |
| License | Apache-2.0 | AGPL-3.0-only AND LicenseRef-SEL |
| Main language | Typescript | Rust |

## Which one should you pick?

Stalwart Mail Server scores 79/100 against 47/100 for Open Data Capture, so it is the safer default.

Stalwart Mail Server ships more often: 31 stable releases in the past year, against 10 for Open Data Capture.

Stalwart Mail Server is growing faster right now (+679 stars in 30 days).

## Details

- [Open Data Capture](https://selfhost.directory/project/opendatacapture) (markdown: https://selfhost.directory/project/opendatacapture.md)
- [Stalwart Mail Server](https://selfhost.directory/project/stalwart-mail-server) (markdown: https://selfhost.directory/project/stalwart-mail-server.md)

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Source: https://selfhost.directory/compare/opendatacapture-vs-stalwart-mail-server