Decision Workspace
bullettrain vs flagsmith vs flagsmith-flag-engine
Side-by-side comparison of Rust crates
40
bullettrain
growingv0.2.0
Bullet Train SDK for Rust
56
flagsmith
stablev2.1.0
Flagsmith SDK for Rust
51
flagsmith-flag-engine
growingv0.6.0
This project is the rust clone of flagsmith flag engine: https://github.com/Flagsmith/flagsmith-engine
Core Metrics
| bullettrain | flagsmith | flagsmith-flag-engine | |
|---|---|---|---|
| Health Score | 40 | 56 | 51 |
| Total Downloads | 3.2K | 13.4K | 16.5K |
| 30d Downloads | 4 | 245 | 714 |
| Dependents | 0 | 0 | 11 |
| Releases | 2 | 10 | 8 |
| Last Updated | 1808d ago | 115d ago | 67d ago |
| Age | 5y 4m | 4y 8m | 3y 10m |
Health Breakdown
bullettrain
Maintenance
3
Quality
14
Community
10
Popularity
4
Documentation
9
flagsmith
Maintenance
13
Quality
18
Community
10
Popularity
5
Documentation
10
flagsmith-flag-engine
Maintenance
13
Quality
13
Community
13
Popularity
5
Documentation
7
Technical Details
| bullettrain | flagsmith | flagsmith-flag-engine | |
|---|---|---|---|
| Version | 0.2.0 | 2.1.0 | 0.6.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | BSD-3-Clause | BSD-3-Clause | BSD-3-Clause |
| Dependencies | 4 | 10 | 13 |
| Crate Size | 6KB | 36KB | 32KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | — | — | — |
| Owners | 3 | 3 | 3 |
Links
Quick Verdict
- •flagsmith leads with a health score of 56/100, but none of the options score above 80.
- •flagsmith-flag-engine has the most downloads (16.5K), suggesting wider adoption.
- •⚠ bullettrain has not been updated in over a year.
- •bullettrain, flagsmith-flag-engine are pre-1.0 — API may change.