Fenster: Most minimal cross-platform GUI library
SMRTR summary
Fenster is a minimalist cross-platform GUI library that provides a simple way to create a 2D canvas with keyboard, mouse input, and audio playback. This C99 header (~300 lines of code) offers a straightforward polling API with framebuffer access, stable FPS rates, and bindings for Go, Zig, and Lua—all while maintaining the nostalgic feel of retro programming environments like Borland BGI or QBASIC.
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