Decision Workspace
ajj vs jsonrpc-core-client vs jsonrpc-core
Side-by-side comparison of Rust crates
61
ajj
growingv0.7.1
Simple, modern, ergonomic JSON-RPC 2.0 router built with tower and axum
67
jsonrpc-core-client
growingv18.0.0
Transport agnostic JSON-RPC 2.0 client implementation.
66
jsonrpc-core
growingv18.0.0
Transport agnostic rust implementation of JSON-RPC 2.0 Specification.
Core Metrics
| ajj | jsonrpc-core-client | jsonrpc-core | |
|---|---|---|---|
| Health Score | 61 | 67 | 66 |
| Total Downloads | 14.5K | 6.1M | 18.7M |
| 30d Downloads | 0 | 117.4K | 508.1K |
| Dependents | 67 | 1.2K | 4.6K |
| Releases | 17 | 21 | 56 |
| Last Updated | 87d ago | 1819d ago | 1819d ago |
| Age | 1y 5m | 7y 3m | 10y 5m |
Health Breakdown
ajj
Maintenance
14
Quality
15
Community
15
Popularity
5
Documentation
12
jsonrpc-core-client
Maintenance
5
Quality
23
Community
19
Popularity
8
Documentation
12
jsonrpc-core
Maintenance
6
Quality
20
Community
20
Popularity
8
Documentation
12
Technical Details
| ajj | jsonrpc-core-client | jsonrpc-core | |
|---|---|---|---|
| Version | 0.7.1 | 18.0.0 | 18.0.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT | MIT |
| Dependencies | 25 | 2 | 7 |
| Crate Size | 87KB | 1KB | 16KB |
| Features | 5 | 5 | 2 |
| Yanked % | 0.0% | 0.0% | 1.8% |
| Edition | 2021 | 2018 | 2018 |
| MSRV | 1.81 | — | — |
| Owners | 3 | 2 (team) | 2 (team) |
Links
Quick Verdict
- •jsonrpc-core-client leads with a health score of 67/100, but none of the options score above 80.
- •jsonrpc-core has the most downloads (18.7M), suggesting wider adoption.
- •jsonrpc-core is depended on by 4.6K crates — strongest ecosystem trust.
- •⚠ jsonrpc-core-client, jsonrpc-core have not been updated in over a year.
- •ajj is pre-1.0 — API may change.