# scalar vs Shields

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

| | scalar | Shields |
|---|---|---|
| Score | 76/100 | 80/100 ✓ |
| Rank in category | #3 of 13 in API | #6 of 166 in Developer Tools |
| GitHub stars | 16 337 | 27 331 ✓ |
| Stars, last 30 days | +148 ✓ | +125 |
| Stable releases, 12 months | 46 ✓ | 0 |
| Latest release | release-2026-10-28-0d01943 · 28 Oct 2026 | — |
| Setup | Easy | Easy |
| Official Docker image | Yes | Yes |
| License | MIT | Apache-2.0 |
| Main language | Typescript | JavaScript |

## Which one should you pick?

Shields scores 80/100 against 76/100 for scalar, so it is the safer default.

scalar ships more often: 46 stable releases in the past year, against 0 for Shields.

## Details

- [scalar](https://selfhost.directory/project/scalar) (markdown: https://selfhost.directory/project/scalar.md)
- [Shields](https://selfhost.directory/project/shields) (markdown: https://selfhost.directory/project/shields.md)

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Source: https://selfhost.directory/compare/scalar-vs-shields