48
tier
v0.1.17 ExperimentalRust configuration library for layered TOML, env, and CLI settings
Apache-2.0 Edition 2024 MSRV 1.95
#env#config#toml#serde#layered
Quick Verdict
- ✓Actively maintained (updated 8d ago)
- !Pre-1.0: API may have breaking changes
- ✓Permissive license (Apache-2.0)
Security
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Downloads
304
Dependents
1
Releases
13
Size
190KB
Deep Insights
📉
Download decline
123 downloads in the last 30 days, down 32% from the previous period. May indicate migration to alternatives.
👤
Prolific maintainer
The primary maintainer publishes 50 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
Health Breakdown
Maintenance 12/25
Recency, release consistency, active ratio
Quality 14/25
Yanked ratio, deps, size, maturity, features
Community 4/20
Reverse deps, ownership, ecosystem
Popularity 3/15
Downloads, momentum, growth trend
Documentation 15/15
Docs, repo, license, metadata
Download Trend
Daily downloads · last 90 days
0/day avg
Top Dependents
Most downloaded crates that depend on tier
Version Adoption
v0.1.12
45%
v0.1.8
15%
v0.1.14
15%
v0.1.4
13%
v0.1.5
12%
Release Timeline
10 releasessince 2026
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Feature Flags
default =["toml"]
clapjsontoml*yamlwatchderiveschema
README
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Maintainers
Dependencies
14
direct dependencies
Dependents
1
crates depend on tier