Decision Workspace
fsm_gen vs state-machines-core vs arborium-cpp
Side-by-side comparison of Rust crates
33
fsm_gen
growingv0.6.1
FSM (finite state machine) DSL for code generation (c++ at the moment)
63
state-machines-core
experimentalv0.9.0
Core types and traits for the state-machines library
63
arborium-cpp
experimentalv2.16.0
C++ grammar for arborium (tree-sitter bindings)
Core Metrics
| fsm_gen | state-machines-core | arborium-cpp | |
|---|---|---|---|
| Health Score | 33 | 63 | 63 |
| Total Downloads | 9.2K | 11.4K | 17.8K |
| 30d Downloads | 9 | 973 | 9.3K |
| Dependents | 0 | 24 | 89 |
| Releases | 6 | 11 | 42 |
| Last Updated | 1971d ago | 6d ago | 16d ago |
| Age | 7y | 5m | 3m |
Health Breakdown
fsm_gen
Maintenance
3
Quality
13
Community
3
Popularity
5
Documentation
9
state-machines-core
Maintenance
19
Quality
16
Community
10
Popularity
5
Documentation
13
arborium-cpp
Maintenance
18
Quality
14
Community
11
Popularity
5
Documentation
15
Technical Details
| fsm_gen | state-machines-core | arborium-cpp | |
|---|---|---|---|
| Version | 0.6.1 | 0.9.0 | 2.16.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | GPL-3.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 9 | 2 | 6 |
| Crate Size | 83KB | 10KB | 1.5MB |
| Features | 0 | 4 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2024 | 2024 |
| MSRV | — | — | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •state-machines-core leads with a health score of 63/100, but none of the options score above 80.
- •arborium-cpp has the most downloads (17.8K), suggesting wider adoption.
- •⚠ fsm_gen has not been updated in over a year.
- •fsm_gen, state-machines-core are pre-1.0 — API may change.