OpenPLC Runtime v4vsShields
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| OpenPLC Runtime v4 | Shields | |
|---|---|---|
| Score | 52/100 | 80/100 |
| Rank in category | #6 of 10 in IoT | #6 of 166 in Developer Tools |
| GitHub stars | 418 | 27 331 |
| Stars, last 30 days | +2 | +125 |
| Stable releases, 12 months | 10 | 0 |
| Latest release | v4.3.1 · 13 Oct 2026 | — |
| Setup | Moderate | Easy |
| Official Docker image | Yes | Yes |
| License | MIT | Apache-2.0 |
| Main language | Python | JavaScript |
Which one should you pick?
Shields scores 80/100 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 Shields.
If you want the quickest setup, Shields is easier to run; OpenPLC Runtime v4 needs more configuration.
Shields is growing faster right now (+125 stars in 30 days).
OpenPLC Runtime v4 details →Shields details →
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