OpenPLC Runtime v4vsprometheus
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| OpenPLC Runtime v4 | prometheus | |
|---|---|---|
| Score | 52/100 | 90/100 |
| Rank in category | #6 of 10 in IoT | #1 of 104 in Monitoring & observability |
| GitHub stars | 418 | 66 858 |
| Stars, last 30 days | +2 | +646 |
| Stable releases, 12 months | 10 | 16 |
| Latest release | v4.3.1 · 13 Oct 2026 | v3.15.1 · 21 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | MIT | Apache-2.0 |
| Main language | Python | Go |
Which one should you pick?
prometheus scores 90/100 against 52/100 for OpenPLC Runtime v4, so it is the safer default.
prometheus ships more often: 16 stable releases in the past year, against 10 for OpenPLC Runtime v4.
prometheus is growing faster right now (+646 stars in 30 days).
OpenPLC Runtime v4 details →prometheus details →
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