Decision Workspace
glean-core vs foundations vs metrics-exporter-prometheus
Side-by-side comparison of Rust crates
67
glean-core
stablev67.3.2
A modern Telemetry library
69
foundations
stablev5.7.1
A Rust service foundations library.
67
metrics-exporter-prometheus
growingv0.18.3
A metrics-compatible exporter for sending metrics to Prometheus.
Core Metrics
| glean-core | foundations | metrics-exporter-prometheus | |
|---|---|---|---|
| Health Score | 67 | 69 | 67 |
| Total Downloads | 483.5K | 2.6M | 31.4M |
| 30d Downloads | 75.5K | 230.8K | 2.8M |
| Dependents | 253 | 41 | 3.4K |
| Releases | 200 | 39 | 42 |
| Last Updated | 10d ago | 6d ago | 25d ago |
| Age | 6y 8m | 2y 4m | 5y 11m |
Health Breakdown
glean-core
Maintenance
19
Quality
16
Community
13
Popularity
7
Documentation
12
foundations
Maintenance
19
Quality
14
Community
15
Popularity
8
Documentation
13
metrics-exporter-prometheus
Maintenance
18
Quality
13
Community
14
Popularity
8
Documentation
14
Technical Details
| glean-core | foundations | metrics-exporter-prometheus | |
|---|---|---|---|
| Version | 67.3.2 | 5.7.1 | 0.18.3 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | MPL-2.0 | BSD-3-Clause | MIT AND Apache-2.0 |
| Dependencies | 27 | 73 | 23 |
| Crate Size | 226KB | 338KB | 64KB |
| Features | 3 | 25 | 10 |
| Yanked % | 0.5% | 20.5% | 7.1% |
| Edition | 2021 | 2024 | 2018 |
| MSRV | 1.90 | — | 1.71.1 |
| Owners | 4 | 4 (team) | 1 |
Links
Quick Verdict
- •foundations leads with a health score of 69/100, but none of the options score above 80.
- •metrics-exporter-prometheus has the most downloads (31.4M), suggesting wider adoption.
- •metrics-exporter-prometheus is depended on by 3.4K crates — strongest ecosystem trust.
- •metrics-exporter-prometheus is pre-1.0 — API may change.