Decision Workspace
mmreg vs tock-registers vs ddevmem
Side-by-side comparison of Rust crates
40
mmreg
experimentalv0.1.1
Safe, concurrent 32-bit memory-mapped IO register access for Rust. Library and CLI for embedded and PC (linux) platforms.
62
tock-registers
growingv0.10.1
Memory-Mapped I/O and register interface developed for Tock.
55
ddevmem
growingv0.4.1
Safe, ergonomic access to physical memory via /dev/mem with volatile MMIO semantics, declarative register maps, and an optional web UI.
Core Metrics
| mmreg | tock-registers | ddevmem | |
|---|---|---|---|
| Health Score | 40 | 62 | 55 |
| Total Downloads | 70 | 1.5M | 8.0K |
| 30d Downloads | 0 | 57.0K | 0 |
| Dependents | 0 | 711 | 0 |
| Releases | 2 | 13 | 12 |
| Last Updated | 219d ago | 255d ago | 70d ago |
| Age | 7m | 8y | 1y 8m |
Health Breakdown
mmreg
Maintenance
8
Quality
14
Community
6
Popularity
2
Documentation
10
tock-registers
Maintenance
8
Quality
18
Community
19
Popularity
7
Documentation
10
ddevmem
Maintenance
15
Quality
16
Community
6
Popularity
5
Documentation
13
Technical Details
| mmreg | tock-registers | ddevmem | |
|---|---|---|---|
| Version | 0.1.1 | 0.10.1 | 0.4.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT/Apache-2.0 | MIT |
| Dependencies | 2 | 0 | 11 |
| Crate Size | 9KB | 36KB | 53KB |
| Features | 0 | 2 | 5 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •tock-registers leads with a health score of 62/100, but none of the options score above 80.
- •tock-registers is depended on by 711 crates — strongest ecosystem trust.