Decision Workspace
fastmod vs ast-grep-core vs ast-grep
Side-by-side comparison of Rust crates
42
fastmod
growingv0.4.4
Fast, partial replacement for codemod (find/replace tool for programmers)
71
ast-grep-core
growingv0.43.0
Search and Rewrite code at large scale using precise AST pattern
63
ast-grep
growingv0.43.0
Search and Rewrite code at large scale using precise AST pattern
Core Metrics
| fastmod | ast-grep-core | ast-grep | |
|---|---|---|---|
| Health Score | 42 | 71 | 63 |
| Total Downloads | 26.4K | 1.5M | 606.9K |
| 30d Downloads | 0 | 219.9K | 10.3K |
| Dependents | 0 | 1.3K | 60 |
| Releases | 12 | 176 | 172 |
| Last Updated | 907d ago | today | today |
| Age | 8y 1m | 3y 10m | 3y 10m |
Health Breakdown
fastmod
Maintenance
5
Quality
13
Community
10
Popularity
5
Documentation
9
ast-grep-core
Maintenance
20
Quality
14
Community
15
Popularity
7
Documentation
15
ast-grep
Maintenance
20
Quality
10
Community
11
Popularity
7
Documentation
15
Technical Details
| fastmod | ast-grep-core | ast-grep | |
|---|---|---|---|
| Version | 0.4.4 | 0.43.0 | 0.43.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | MIT | MIT |
| Dependencies | 11 | 5 | 30 |
| Crate Size | 28KB | 45KB | 96KB |
| Features | 0 | 1 | 0 |
| Yanked % | 0.0% | 0.6% | 0.6% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | — | 1.79 | 1.79 |
| Owners | 2 (team) | 1 | 1 |
Links
Quick Verdict
- •ast-grep-core leads with a health score of 71/100, but none of the options score above 80.
- •ast-grep-core is depended on by 1.3K crates — strongest ecosystem trust.
- •⚠ fastmod has not been updated in over a year.