Decision Workspace
json-log-parse vs jlf vs cor
Side-by-side comparison of Rust crates
31
json-log-parse
growingv0.3.0
Log tailer for deployments using JSON log format
44
jlf
growingv0.2.2
CLI for converting JSON logs to human-readable format
43
cor
experimentalv2026.3.1
Colorize JSON-structured log lines from stdin
Core Metrics
| json-log-parse | jlf | cor | |
|---|---|---|---|
| Health Score | 31 | 44 | 43 |
| Total Downloads | 6.7K | 19.0K | 118 |
| 30d Downloads | 6 | 29 | 37 |
| Dependents | 0 | 0 | 0 |
| Releases | 5 | 17 | 7 |
| Last Updated | 1481d ago | 388d ago | 13d ago |
| Age | 4y | 2y 1m | 1m |
Health Breakdown
json-log-parse
Maintenance
5
Quality
9
Community
5
Popularity
5
Documentation
7
jlf
Maintenance
8
Quality
13
Community
5
Popularity
5
Documentation
13
cor
Maintenance
13
Quality
10
Community
6
Popularity
2
Documentation
12
Technical Details
| json-log-parse | jlf | cor | |
|---|---|---|---|
| Version | 0.3.0 | 0.2.2 | 2026.3.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 5 | 12 | 15 |
| Crate Size | 10KB | 44KB | 1.8MB |
| Features | 0 | 0 | 1 |
| Yanked % | 20.0% | 0.0% | 14.3% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | — | 1.92 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •jlf leads with a health score of 44/100, but none of the options score above 80.
- •⚠ json-log-parse, jlf have not been updated in over a year.
- •json-log-parse, jlf are pre-1.0 — API may change.