Decision Workspace
eva-sim-modbus vs rmodbus vs modbus-relay
Side-by-side comparison of Rust crates
34
eva-sim-modbus
growingv0.1.0
EVA ICS Virtual Fieldbus Simulator
53
rmodbus
growingv0.12.2
Fast and platform-independent Modbus server framework
51
modbus-relay
growingv2025.11.0
A high performance Modbus TCP to RTU relay
Core Metrics
| eva-sim-modbus | rmodbus | modbus-relay | |
|---|---|---|---|
| Health Score | 34 | 53 | 51 |
| Total Downloads | 1.6K | 162.5K | 1.0K |
| 30d Downloads | 3 | 8.3K | 6 |
| Dependents | 0 | 105 | 0 |
| Releases | 1 | 58 | 2 |
| Last Updated | 991d ago | 180d ago | 139d ago |
| Age | 2y 8m | 5y 6m | 1y 3m |
Health Breakdown
eva-sim-modbus
Maintenance
1
Quality
14
Community
5
Popularity
4
Documentation
10
rmodbus
Maintenance
11
Quality
15
Community
11
Popularity
6
Documentation
10
modbus-relay
Maintenance
10
Quality
16
Community
6
Popularity
4
Documentation
15
Technical Details
| eva-sim-modbus | rmodbus | modbus-relay | |
|---|---|---|---|
| Version | 0.1.0 | 0.12.2 | 2025.11.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | Apache-2.0 | Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 6 | 14 | 20 |
| Crate Size | 2KB | 40KB | 52KB |
| Features | 0 | 6 | 0 |
| Yanked % | 0.0% | 3.5% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | — | 1.91 |
| Owners | 2 | 2 | 1 |
Links
Quick Verdict
- •rmodbus leads with a health score of 53/100, but none of the options score above 80.
- •rmodbus is depended on by 105 crates — strongest ecosystem trust.
- •⚠ eva-sim-modbus has not been updated in over a year.
- •eva-sim-modbus, rmodbus are pre-1.0 — API may change.