Decision Workspace
pi_tcp vs smoltcp vs tcp-stream
Side-by-side comparison of Rust crates
54
pi_tcp
growingv0.6.0
pi_tcp
74
smoltcp
growingv0.13.0
A TCP/IP stack designed for bare-metal, real-time systems without a heap.
68
tcp-stream
growingv0.34.3
std::net::TcpStream on steroids
Core Metrics
| pi_tcp | smoltcp | tcp-stream | |
|---|---|---|---|
| Health Score | 54 | 74 | 68 |
| Total Downloads | 23.7K | 5.5M | 8.3M |
| 30d Downloads | 122 | 309.7K | 899.1K |
| Dependents | 102 | 563 | 211 |
| Releases | 27 | 22 | 101 |
| Last Updated | 71d ago | 7d ago | 3d ago |
| Age | 2y 9m | 9y 3m | 6y 10m |
Health Breakdown
pi_tcp
Maintenance
15
Quality
12
Community
12
Popularity
5
Documentation
10
smoltcp
Maintenance
17
Quality
15
Community
19
Popularity
8
Documentation
15
tcp-stream
Maintenance
19
Quality
14
Community
12
Popularity
8
Documentation
15
Technical Details
| pi_tcp | smoltcp | tcp-stream | |
|---|---|---|---|
| Version | 0.6.0 | 0.13.0 | 0.34.3 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | 0BSD | BSD-2-Clause |
| Dependencies | 19 | 16 | 10 |
| Crate Size | 51KB | 361KB | 28KB |
| Features | 0 | 190 | 16 |
| Yanked % | 0.0% | 0.0% | 9.9% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.91 | 1.88.0 |
| Owners | 2 (team) | 2 (team) | 1 |
Links
Quick Verdict
- •smoltcp leads with a health score of 74/100, but none of the options score above 80.
- •tcp-stream has the most downloads (8.3M), suggesting wider adoption.
- •smoltcp is depended on by 563 crates — strongest ecosystem trust.