# Apache Cassandra vs Proton Mail Bridge

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

| | Apache Cassandra | Proton Mail Bridge |
|---|---|---|
| Score | 74/100 ✓ | 60/100 |
| Rank in category | #8 of 38 in Databases | #11 of 33 in Communication |
| GitHub stars | 10 127 ✓ | 1 575 |
| Stars, last 30 days | +25 ✓ | +0 |
| Stable releases, 12 months | 0 | 10 ✓ |
| Latest release | — | v3.27.1 · 8 Oct 2026 |
| Setup | Advanced | Moderate ✓ |
| Official Docker image | Yes ✓ | No |
| License | Apache-2.0 | GPL-3.0 |
| Main language | Java | Go |

## Which one should you pick?

Apache Cassandra scores 74/100 against 60/100 for Proton Mail Bridge, so it is the safer default.

Proton Mail Bridge ships more often: 10 stable releases in the past year, against 0 for Apache Cassandra.

If you want the quickest setup, Proton Mail Bridge is easier to run; Apache Cassandra needs more configuration.

Apache Cassandra is growing faster right now (+25 stars in 30 days).

## Details

- [Apache Cassandra](https://selfhost.directory/project/apache-cassandra) (markdown: https://selfhost.directory/project/apache-cassandra.md)
- [Proton Mail Bridge](https://selfhost.directory/project/proton-bridge) (markdown: https://selfhost.directory/project/proton-bridge.md)

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Source: https://selfhost.directory/compare/apache-cassandra-vs-proton-bridge