Decision Workspace
fastly vs fastly-sys vs wasmtime-environ
Side-by-side comparison of Rust crates
60
fastly
growingv0.12.1
Fastly Compute API
65
fastly-sys
growingv0.12.1
Fastly Compute ABI Bindings
79
wasmtime-environ
stablev45.0.0
Standalone environment support for WebAssembly code in Cranelift
Core Metrics
| fastly | fastly-sys | wasmtime-environ | |
|---|---|---|---|
| Health Score | 60 | 65 | 79 |
| Total Downloads | 6.9M | 6.8M | 24.4M |
| 30d Downloads | 21.9K | 21.9K | 2.3M |
| Dependents | 141 | 63 | 1.7K |
| Releases | 68 | 58 | 193 |
| Last Updated | 25d ago | 25d ago | 4d ago |
| Age | 6y 8m | 6y | 7y 9m |
Health Breakdown
fastly
Maintenance
18
Quality
8
Community
17
Popularity
8
Documentation
9
fastly-sys
Maintenance
20
Quality
12
Community
16
Popularity
8
Documentation
9
wasmtime-environ
Maintenance
19
Quality
19
Community
18
Popularity
8
Documentation
15
Technical Details
| fastly | fastly-sys | wasmtime-environ | |
|---|---|---|---|
| Version | 0.12.1 | 0.12.1 | 45.0.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | Apache-2.0 WITH LLVM-exception | Apache-2.0 WITH LLVM-exception | Apache-2.0 WITH LLVM-exception |
| Dependencies | 20 | 5 | 29 |
| Crate Size | 211KB | 123KB | 285KB |
| Features | 0 | 0 | 14 |
| Yanked % | 5.9% | 1.7% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | 1.88 | 1.88 | 1.93.0 |
| Owners | 10 (team) | 10 (team) | 2 (team) |
Links
Quick Verdict
- •wasmtime-environ leads with a health score of 79/100, but none of the options score above 80.
- •wasmtime-environ is depended on by 1.7K crates — strongest ecosystem trust.
- •fastly, fastly-sys are pre-1.0 — API may change.