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fltk

v1.5.23 Stable

Rust bindings for the FLTK GUI library

MIT Edition 2021 MSRV 1.71
GUI #gui#ui#widgets#toolkit#user-interface

Quick Verdict

  • โœ“Actively maintained (updated 22d ago)
  • โœ“Stable API (1.x for 6+ years)
  • โœ“Trusted by 762 crates
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
1.4M
Dependents
762
Releases
401
Size
200KB

Deep Insights

๐Ÿ“Š
Stable downloads

19.1K downloads in the last 30 days (638/day). Volume is roughly flat compared to the previous period.

๐Ÿ”—
Moderate adoption

762 crates depend on fltk. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 69 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

โœ…
Stable for 6+ years

The API has been stable (1.x) for over 6 years with 401 releases. This level of maturity means you can depend on it without worrying about breaking changes.

โš ๏ธ
Notable yanked versions

13% of releases have been yanked. Check version history before pinning.

๐ŸŒŸ
Used by top crates

Notable dependents include fltk-theme, fltk-webview, etradeTaxReturnHelper, booklibrs, linestring. When high-quality crates choose fltk, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 17/25

Yanked ratio, deps, size, maturity, features

Community 13/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
754/day avg-46%
05001K2K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v1.5.22
56%
v1.5.14
16%
v1.5.21
11%
v1.5.20
9%
v1.5.17
7%

Release Timeline

10 releasessince 2025
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2025
9
2026
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Feature Flags

cairoextno-pangogtk-decorno-imagesuse-ninjano-gdipluspkg-configfltk-configfltk-sharedsystem-fltksystem-zlibuse-waylandfltk-bundledlegacy-openglstatic-msvcrtsystem-libpngsystem-libjpegenable-glwindowsingle-threaded

README

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Maintainers

Dependencies
9
direct dependencies
Dependents
762
crates depend on fltk

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