fern
v0.7.1 GrowingSimple, efficient logging
Quick Verdict
- ✕Not updated for 1+ year
- !Pre-1.0: API may have breaking changes
- ✓Massive adoption (6.1K crates depend on it)
- ✓Permissive license (MIT)
Security
Deep Insights
2.3M downloads in the last 30 days (76.3K/day). Volume is roughly flat compared to the previous period.
6.1K crates depend on fern. Strong ecosystem adoption means battle-tested code and long-term stability.
fern has only 1 owner despite 6.1K dependents. This is a bus-factor concern — consider the implications for long-term support.
Despite being 11+ years old, fern hasn't reached 1.0 yet. Expect potential API changes between versions.
Notable dependents include rav1e, av-scenechange, tauri-plugin-log, cargo-deny, flutter_rust_bridge_codegen. When high-quality crates choose fern, it's a strong quality signal.
Health Breakdown
Recency, release consistency, active ratio
Yanked ratio, deps, size, maturity, features
Reverse deps, ownership, ecosystem
Downloads, momentum, growth trend
Docs, repo, license, metadata