Decision Workspace
sem-core vs symtrace vs splice
Side-by-side comparison of Rust crates
52
sem-core
experimentalv0.6.0
Entity-level semantic diff engine. Extracts functions, classes, and methods from 20 languages via tree-sitter and diffs at the entity level.
38
symtrace
experimentalv0.2.0
A deterministic semantic diff engine using AST-based structural analysis
56
splice
experimentalv2.6.13
Span-safe refactoring kernel for 7 languages with Magellan code graph integration
Core Metrics
| sem-core | symtrace | splice | |
|---|---|---|---|
| Health Score | 52 | 38 | 56 |
| Total Downloads | 4.3K | 49 | 570 |
| 30d Downloads | 979 | 0 | 0 |
| Dependents | 61 | 0 | 2 |
| Releases | 21 | 3 | 34 |
| Last Updated | 2d ago | 72d ago | 4d ago |
| Age | 2m | 2m | 5m |
Health Breakdown
sem-core
Maintenance
14
Quality
13
Community
11
Popularity
4
Documentation
10
symtrace
Maintenance
10
Quality
10
Community
6
Popularity
2
Documentation
10
splice
Maintenance
19
Quality
14
Community
7
Popularity
3
Documentation
13
Technical Details
| sem-core | symtrace | splice | |
|---|---|---|---|
| Version | 0.6.0 | 0.2.0 | 2.6.13 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT | GPL-3.0-only |
| Dependencies | 37 | 17 | 35 |
| Crate Size | 156KB | 238KB | 582KB |
| Features | 32 | 0 | 6 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •splice leads with a health score of 56/100, but none of the options score above 80.
- •sem-core has the most downloads (4.3K), suggesting wider adoption.
- •sem-core, symtrace are pre-1.0 — API may change.