Decision Workspace
pq-envelope vs frodo-kem vs flute
Side-by-side comparison of Rust crates
44
pq-envelope
experimentalv0.2.0
Post Quantum Hybrid Encryption for multiple recipients
57
frodo-kem
growingv0.0.1
Pure Rust implementation of FrodoKEM and eFrodoKEM
54
flute
stablev1.10.7
File Delivery over Unidirectional Transport (FLUTE)
Core Metrics
| pq-envelope | frodo-kem | flute | |
|---|---|---|---|
| Health Score | 44 | 57 | 54 |
| Total Downloads | 797 | 1.1K | 62.5K |
| 30d Downloads | 5 | 11 | 280 |
| Dependents | 0 | 0 | 0 |
| Releases | 3 | 5 | 65 |
| Last Updated | 158d ago | 52d ago | 98d ago |
| Age | 5m | 1y 2m | 3y 3m |
Health Breakdown
pq-envelope
Maintenance
12
Quality
11
Community
5
Popularity
3
Documentation
13
frodo-kem
Maintenance
15
Quality
15
Community
10
Popularity
4
Documentation
13
flute
Maintenance
14
Quality
16
Community
6
Popularity
6
Documentation
12
Technical Details
| pq-envelope | frodo-kem | flute | |
|---|---|---|---|
| Version | 0.2.0 | 0.0.1 | 1.10.7 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | Apache-2.0 or MIT | Apache-2.0 OR MIT | MIT |
| Dependencies | 18 | 27 | 21 |
| Crate Size | 27KB | 30KB | 96KB |
| Features | 0 | 20 | 3 |
| Yanked % | 0.0% | 0.0% | 7.7% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | — | 1.66 |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •frodo-kem leads with a health score of 57/100, but none of the options score above 80.
- •flute has the most downloads (62.5K), suggesting wider adoption.
- •pq-envelope, frodo-kem are pre-1.0 — API may change.