Decision Workspace
fixed-json vs picojson vs at-parser-rs
Side-by-side comparison of Rust crates
51
fixed-json
experimentalv0.4.0
No-std, no-allocation JSON parsing into caller-owned fixed storage
55
picojson
growingv0.2.3
A resource-constrained JSON parser for embedded systems.
58
at-parser-rs
experimentalv0.5.2
A flexible AT command parser for embedded systems and communication devices with no_std support
Core Metrics
| fixed-json | picojson | at-parser-rs | |
|---|---|---|---|
| Health Score | 51 | 55 | 58 |
| Total Downloads | 145 | 3.7K | 337 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 2 | 0 | 0 |
| Releases | 6 | 10 | 19 |
| Last Updated | 79d ago | 77d ago | 5d ago |
| Age | 3m | 1y | 6m |
Health Breakdown
fixed-json
Maintenance
10
Quality
16
Community
7
Popularity
3
Documentation
15
picojson
Maintenance
15
Quality
17
Community
6
Popularity
4
Documentation
13
at-parser-rs
Maintenance
19
Quality
17
Community
6
Popularity
3
Documentation
13
Technical Details
| fixed-json | picojson | at-parser-rs | |
|---|---|---|---|
| Version | 0.4.0 | 0.2.3 | 0.5.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | BSD-2-Clause | Apache-2.0 | LGPL-2.1-or-later |
| Dependencies | 1 | 4 | 1 |
| Crate Size | 43KB | 111KB | 27KB |
| Features | 2 | 10 | 5 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | 1.85 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •at-parser-rs leads with a health score of 58/100, but none of the options score above 80.
- •picojson has the most downloads (3.7K), suggesting wider adoption.