rustio rustio.net
69

unicase

v2.9.0 Stable

A case-insensitive wrapper around strings.

MIT OR Apache-2.0 Edition 2018
Text processingNo standard libraryInternationalization (i18n) #lowercase#case#case-insensitive#no_std#case-folding

Quick Verdict

  • Actively maintained (updated 80d ago)
  • Stable API (2.x for 11+ years)
  • Massive adoption (4.0K crates depend on it)
  • Tiny footprint (24KB, 0 deps)
  • Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
245.5M
Dependents
4.0K
Releases
28
Size
24KB

Deep Insights

📈
Strong growth momentum

18.4M downloads in the last 30 days (614.9K/day), up 21% from the previous period.

🔗
Widely adopted

4.0K crates depend on unicase. Strong ecosystem adoption means battle-tested code and long-term stability.

⚠️
Single maintainer risk

unicase has only 1 owner despite 4.0K dependents. This is a bus-factor concern — consider the implications for long-term support.

Stable for 11+ years

The API has been stable (1.x) for over 11 years with 28 releases. This level of maturity means you can depend on it without worrying about breaking changes.

🪶
Zero dependencies

unicase has no external dependencies — minimal supply chain risk and fast compile times.

📐
Compact crate

At 24KB, unicase is lightweight. Small crate size correlates with focused, well-scoped functionality.

🌟
Used by top crates

Notable dependents include clap_builder, phf_shared, mime_guess, phf_macros, rust-ini. When high-quality crates choose unicase, it's a strong quality signal.

Health Breakdown

Maintenance 12/25

Recency, release consistency, active ratio

Quality 22/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days
483K/day avg+79%
0200K400K600K800K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v2.6.0
31%
v2.8.1
31%
v2.7.0
23%
v2.9.0
8%
v2.8.0
7%

Release Timeline

28 releasessince 2015
J
F
M
A
M
J
J
A
S
O
N
D
2015
10
2016
4
2017
4
2018
1
2019
5
2020
2021
2022
2023
1
2024
2
2025
2026
1
Less
More

Feature Flags

nightly

README

Loading README...

Maintainers

Dependencies
0
direct dependencies
Dependents
4.0K
crates depend on unicase

Similar Crates