Decision Workspace
uni-stream vs smoltcp vs pdu
Side-by-side comparison of Rust crates
45
uni-stream
growingv0.3.4
Provides universal stream for TCP and UDP traffic and custom DNS resolution service
72
smoltcp
growingv0.13.1
A TCP/IP stack designed for bare-metal, real-time systems without a heap.
59
pdu
growingv1.5.0
Small, fast, and correct L2/L3/L4 packet parser.
Core Metrics
| uni-stream | smoltcp | pdu | |
|---|---|---|---|
| Health Score | 45 | 72 | 59 |
| Total Downloads | 7.0K | 6.1M | 301.4K |
| 30d Downloads | 0 | 356.3K | 8.7K |
| Dependents | 0 | 629 | 19 |
| Releases | 8 | 23 | 13 |
| Last Updated | 119d ago | 25d ago | 82d ago |
| Age | 2y 2m | 9y 5m | 6y 5m |
Health Breakdown
uni-stream
Maintenance
12
Quality
15
Community
3
Popularity
5
Documentation
10
smoltcp
Maintenance
15
Quality
15
Community
19
Popularity
8
Documentation
15
pdu
Maintenance
11
Quality
22
Community
10
Popularity
7
Documentation
9
Technical Details
| uni-stream | smoltcp | pdu | |
|---|---|---|---|
| Version | 0.3.4 | 0.13.1 | 1.5.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | 0BSD | Apache-2.0 |
| Dependencies | 10 | 16 | 3 |
| Crate Size | 25KB | 361KB | 84KB |
| Features | 2 | 190 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2018 |
| MSRV | — | 1.91 | — |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •smoltcp leads with a health score of 72/100, but none of the options score above 80.
- •smoltcp is depended on by 629 crates — strongest ecosystem trust.
- •uni-stream, smoltcp are pre-1.0 — API may change.