Free
Free
FLTK is provided under the GNU Library Public License Version 2 with exceptions allowing static linking.
- Access
- FLTK is provided under the GNU Library Public License Version 2 with exceptions allowing static linking.
FLTK pricing
● Identity checkedCode · Vendor site 2026-10-04
The Fast Light Toolkit (FLTK) is a cross-platform C++ GUI library for Linux, Windows, and macOS with OpenGL support and a companion UI builder called FLUID. It targets lightweight native apps that can be linked statically or as a shared library.
- Category
- Code
- Free access
- FLTK is provided under the GNU Library Public License Version 2 with exceptions allowing static linking.
- API access
- Not confirmed
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FLTK pricing & plans
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