Decision Workspace
flatbuffers vs flexbuffers vs planus
Side-by-side comparison of Rust crates
70
flatbuffers
stablev25.12.19
Official FlatBuffers Rust runtime library.
69
flexbuffers
growingv25.12.19
Official FlexBuffers Rust runtime library.
68
planus
stablev1.3.0
Planus is an alternative compiler for flatbuffers, an efficient cross platform serialization library.
Core Metrics
| flatbuffers | flexbuffers | planus | |
|---|---|---|---|
| Health Score | 70 | 69 | 68 |
| Total Downloads | 64.8M | 3.6M | 10.9M |
| 30d Downloads | 5.5M | 71.3K | 977.2K |
| Dependents | 2.4K | 3.2K | 83 |
| Releases | 33 | 11 | 10 |
| Last Updated | 98d ago | 98d ago | 61d ago |
| Age | 9y 10m | 5y 10m | 4y 2m |
Health Breakdown
flatbuffers
Maintenance
13
Quality
18
Community
20
Popularity
8
Documentation
11
flexbuffers
Maintenance
11
Quality
21
Community
20
Popularity
8
Documentation
9
planus
Maintenance
13
Quality
22
Community
13
Popularity
8
Documentation
12
Technical Details
| flatbuffers | flexbuffers | planus | |
|---|---|---|---|
| Version | 25.12.19 | 25.12.19 | 1.3.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | Apache-2.0 | Apache-2.0 | MIT/Apache-2.0 |
| Dependencies | 3 | 5 | 3 |
| Crate Size | 27KB | 29KB | 36KB |
| Features | 3 | 2 | 6 |
| Yanked % | 18.2% | 0.0% | 0.0% |
| Edition | 2018 | 2018 | 2021 |
| MSRV | 1.51 | — | 1.88 |
| Owners | 4 (team) | 3 (team) | 2 |
Links
Quick Verdict
- •flatbuffers leads with a health score of 70/100, but none of the options score above 80.
- •flexbuffers is depended on by 3.2K crates — strongest ecosystem trust.