Decision Workspace
koopa vs feldera-ir vs qbe
Side-by-side comparison of Rust crates
51
koopa
growingv0.0.10
Library for generating/parsing/optimizing Koopa IR.
65
feldera-ir
experimentalv0.275.0
Intermediate representation types for Feldera Programs
61
qbe
stablev4.0.0
QBE IR for Rust
Core Metrics
| koopa | feldera-ir | qbe | |
|---|---|---|---|
| Health Score | 51 | 65 | 61 |
| Total Downloads | 38.0K | 37.4K | 18.0K |
| 30d Downloads | 1.0K | 933 | 1.0K |
| Dependents | 0 | 286 | 4 |
| Releases | 9 | 197 | 13 |
| Last Updated | 8d ago | today | 4d ago |
| Age | 4y 6m | 10m | 4y 1m |
Health Breakdown
koopa
Maintenance
16
Quality
15
Community
2
Popularity
5
Documentation
13
feldera-ir
Maintenance
20
Quality
14
Community
14
Popularity
5
Documentation
12
qbe
Maintenance
18
Quality
21
Community
7
Popularity
5
Documentation
10
Technical Details
| koopa | feldera-ir | qbe | |
|---|---|---|---|
| Version | 0.0.10 | 0.275.0 | 4.0.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | GPL-3.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 4 | 6 | 0 |
| Crate Size | 61KB | 44KB | 24KB |
| Features | 1 | 1 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | 1.91.1 | — |
| Owners | 1 | 2 | 1 |
Links
Quick Verdict
- •feldera-ir leads with a health score of 65/100, but none of the options score above 80.
- •koopa has the most downloads (38.0K), suggesting wider adoption.
- •feldera-ir is depended on by 286 crates — strongest ecosystem trust.
- •koopa, feldera-ir are pre-1.0 — API may change.