Decision Workspace
openclaw-ipc vs varlink_parser vs varlink
Side-by-side comparison of Rust crates
46
openclaw-ipc
experimentalv0.1.0
IPC message types and nng transport for OpenClaw
63
varlink_parser
growingv6.0.0
A crate for parsing varlink interface definition files.
63
varlink
growingv13.0.0
Client and server support for the varlink protocol.
Core Metrics
| openclaw-ipc | varlink_parser | varlink | |
|---|---|---|---|
| Health Score | 46 | 63 | 63 |
| Total Downloads | 43 | 59.4K | 3.2M |
| 30d Downloads | 21 | 892 | 102.3K |
| Dependents | 1 | 122 | 95 |
| Releases | 1 | 33 | 42 |
| Last Updated | 45d ago | 158d ago | 158d ago |
| Age | 1m | 8y | 8y |
Health Breakdown
openclaw-ipc
Maintenance
10
Quality
12
Community
7
Popularity
2
Documentation
15
varlink_parser
Maintenance
11
Quality
20
Community
12
Popularity
6
Documentation
14
varlink
Maintenance
11
Quality
19
Community
11
Popularity
8
Documentation
14
Technical Details
| openclaw-ipc | varlink_parser | varlink | |
|---|---|---|---|
| Version | 0.1.0 | 6.0.0 | 13.0.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 12 | 3 | 12 |
| Crate Size | 23KB | 14KB | 40KB |
| Features | 0 | 0 | 2 |
| Yanked % | 0.0% | 0.0% | 2.4% |
| Edition | 2024 | 2018 | 2018 |
| MSRV | 1.85 | 1.73.0 | 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.
- •varlink has the most downloads (3.2M), suggesting wider adoption.
- •varlink_parser is depended on by 122 crates — strongest ecosystem trust.
- •openclaw-ipc is pre-1.0 — API may change.