# Apache Airflow vs signserver-ce

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

| | Apache Airflow | signserver-ce |
|---|---|---|
| Score | 84/100 ✓ | 51/100 |
| Rank in category | #2 of 32 in Workflow Automation | #2 of 2 in PKI |
| GitHub stars | 47 308 ✓ | 440 |
| Stars, last 30 days | +342 ✓ | +4 |
| Stable releases, 12 months | 7 ✓ | 2 |
| Latest release | providers-ydb/2.6.1 · 13 Oct 2026 ✓ | v7.7.1 · 26 Aug 2026 |
| Setup | Advanced ✓ | Advanced |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | LGPL-2.1 |
| Main language | Python | Java |

## Which one should you pick?

Apache Airflow scores 84/100 against 51/100 for signserver-ce, so it is the safer default.

Apache Airflow ships more often: 7 stable releases in the past year, against 2 for signserver-ce.

Apache Airflow is growing faster right now (+342 stars in 30 days).

## Details

- [Apache Airflow](https://selfhost.directory/project/apache-airflow) (markdown: https://selfhost.directory/project/apache-airflow.md)
- [signserver-ce](https://selfhost.directory/project/signserver-ce) (markdown: https://selfhost.directory/project/signserver-ce.md)

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Source: https://selfhost.directory/compare/apache-airflow-vs-signserver-ce