Decision Workspace
onc-rpc vs fastxdr vs varlink_parser
Side-by-side comparison of Rust crates
55
onc-rpc
growingv0.3.3
Open Network Computing / Sun RPC types and fast serialisation
45
fastxdr
growingv1.0.2
Generate Rust types from XDR specs with fast, zero-copy deserialisation
63
varlink_parser
growingv6.0.0
A crate for parsing varlink interface definition files.
Core Metrics
| onc-rpc | fastxdr | varlink_parser | |
|---|---|---|---|
| Health Score | 55 | 45 | 63 |
| Total Downloads | 6.0M | 5.3K | 59.4K |
| 30d Downloads | 523.4K | 26 | 921 |
| Dependents | 0 | 0 | 122 |
| Releases | 11 | 3 | 33 |
| Last Updated | 70d ago | 2049d ago | 158d ago |
| Age | 5y 9m | 5y 7m | 8y |
Health Breakdown
onc-rpc
Maintenance
12
Quality
16
Community
6
Popularity
8
Documentation
13
fastxdr
Maintenance
4
Quality
19
Community
6
Popularity
4
Documentation
12
varlink_parser
Maintenance
11
Quality
20
Community
12
Popularity
6
Documentation
14
Technical Details
| onc-rpc | fastxdr | varlink_parser | |
|---|---|---|---|
| Version | 0.3.3 | 1.0.2 | 6.0.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | BSD-3-Clause | BSD-3-Clause | MIT OR Apache-2.0 |
| Dependencies | 6 | 4 | 3 |
| Crate Size | 31KB | 32KB | 14KB |
| Features | 2 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2018 | 2018 |
| MSRV | — | — | 1.73.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •varlink_parser leads with a health score of 63/100, but none of the options score above 80.
- •onc-rpc has the most downloads (6.0M), suggesting wider adoption.
- •varlink_parser is depended on by 122 crates — strongest ecosystem trust.
- •⚠ fastxdr has not been updated in over a year.
- •onc-rpc is pre-1.0 — API may change.