Decision Workspace
merc_aterm vs futures-concurrency vs ratelimit
Side-by-side comparison of Rust crates
43
merc_aterm
experimentalv1.0.0
A thread-safe library to manipulate and store first-order terms.
75
futures-concurrency
stablev7.7.1
Structured concurrency operations for async Rust
70
ratelimit
stablev1.0.0
A lock-free token bucket ratelimiter
Core Metrics
| merc_aterm | futures-concurrency | ratelimit | |
|---|---|---|---|
| Health Score | 43 | 75 | 70 |
| Total Downloads | 241 | 4.5M | 15.5M |
| 30d Downloads | 91 | 527.9K | 788.8K |
| Dependents | 4 | 725 | 267 |
| Releases | 1 | 31 | 30 |
| Last Updated | 90d ago | 68d ago | 7d ago |
| Age | 3m | 4y 7m | 10y 5m |
Health Breakdown
merc_aterm
Maintenance
8
Quality
15
Community
7
Popularity
3
Documentation
10
futures-concurrency
Maintenance
15
Quality
20
Community
17
Popularity
8
Documentation
15
ratelimit
Maintenance
16
Quality
16
Community
18
Popularity
8
Documentation
12
Technical Details
| merc_aterm | futures-concurrency | ratelimit | |
|---|---|---|---|
| Version | 1.0.0 | 7.7.1 | 1.0.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | BSL-1.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 24 | 14 | 1 |
| Crate Size | 44KB | 83KB | 15KB |
| Features | 1 | 3 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | 1.85.0 | 1.81.0 | 1.85 |
| Owners | 1 | 3 | 3 (team) |
Links
Quick Verdict
- •futures-concurrency leads with a health score of 75/100, but none of the options score above 80.
- •ratelimit has the most downloads (15.5M), suggesting wider adoption.
- •futures-concurrency is depended on by 725 crates — strongest ecosystem trust.