wxWidgets
wxWidgets - Native-look cross-platform GUI toolkit
wxWidgets is a C++ library that enables writing applications for Windows, macOS, Linux with a single codebase using native widgets for authentic platform look and feel.
Official WebsiteCategory
Desktop
First Release
1992
License
wxWidgets uses the wxWindows license (wxWindows Library License) with compatibility options
Maintained By
Julian Smart and Stefan C. P. P. (wxWidgets evolution) / wxWidgets community
Difficulty
Intermediate 2/3
Moderate because it requires C++ mastery, understanding of event-driven GUI patterns, and cross-platform build configuration.