Decision Workspace
lob vs matchcore vs fin-primitives
Side-by-side comparison of Rust crates
35
lob
growingv0.1.0
Limit OrderBook
53
matchcore
experimentalv0.3.1
A high-performance order book and price-time matching engine implemented as a single-threaded, deterministic, in-memory state machine
51
fin-primitives
experimentalv2.12.0
Financial market primitives: validated types, order book, OHLCV aggregation, 550+ streaming technical indicators, position ledger, and risk monitoring.
Core Metrics
| lob | matchcore | fin-primitives | |
|---|---|---|---|
| Health Score | 35 | 53 | 51 |
| Total Downloads | 1.3K | 93 | 151 |
| 30d Downloads | 3 | 93 | 151 |
| Dependents | 0 | 0 | 7 |
| Releases | 1 | 8 | 8 |
| Last Updated | 548d ago | 1d ago | 7d ago |
| Age | 1y 6m | 11d | 20d |
Health Breakdown
lob
Maintenance
2
Quality
14
Community
5
Popularity
4
Documentation
10
matchcore
Maintenance
17
Quality
15
Community
6
Popularity
2
Documentation
13
fin-primitives
Maintenance
13
Quality
12
Community
8
Popularity
3
Documentation
15
Technical Details
| lob | matchcore | fin-primitives | |
|---|---|---|---|
| Version | 0.1.0 | 0.3.1 | 2.12.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 6 | 5 | 9 |
| Crate Size | 14KB | 81KB | 760KB |
| Features | 0 | 2 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | — | 1.81 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •matchcore leads with a health score of 53/100, but none of the options score above 80.
- •lob has the most downloads (1.3K), suggesting wider adoption.
- •⚠ lob has not been updated in over a year.
- •lob, matchcore are pre-1.0 — API may change.