# Apache Cassandra vs OpenPLC Runtime v4

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

| | Apache Cassandra | OpenPLC Runtime v4 |
|---|---|---|
| Score | 74/100 ✓ | 52/100 |
| Rank in category | #8 of 38 in Databases | #6 of 10 in IoT |
| GitHub stars | 10 126 ✓ | 417 |
| Stars, last 30 days | +24 ✓ | +1 |
| Stable releases, 12 months | 0 | 10 ✓ |
| Latest release | — | v4.3.1 · 13 Oct 2026 |
| Setup | Advanced | Moderate ✓ |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | MIT |
| Main language | Java | Python |

## Which one should you pick?

Apache Cassandra scores 74/100 against 52/100 for OpenPLC Runtime v4, so it is the safer default.

OpenPLC Runtime v4 ships more often: 10 stable releases in the past year, against 0 for Apache Cassandra.

If you want the quickest setup, OpenPLC Runtime v4 is easier to run; Apache Cassandra needs more configuration.

Apache Cassandra is growing faster right now (+24 stars in 30 days).

## Details

- [Apache Cassandra](https://selfhost.directory/project/apache-cassandra) (markdown: https://selfhost.directory/project/apache-cassandra.md)
- [OpenPLC Runtime v4](https://selfhost.directory/project/openplc-runtime) (markdown: https://selfhost.directory/project/openplc-runtime.md)

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Source: https://selfhost.directory/compare/apache-cassandra-vs-openplc-runtime