libui

libui is a portable C library for building native graphical user interfaces across Windows, macOS, and Unix-like systems. It uses each platform’s native UI technologies instead of drawing its own widget toolkit. The library provides windows, buttons, text inputs, menus, tables, drawing areas, dialogs, forms, and other common controls through one C API. Platform-specific differences are abstracted so the same application code can target several desktop systems. Custom drawing APIs support paths, brushes, text, transforms, and user-defined interactive areas. The project remains mid-alpha, with incomplete features and platform-specific limitations still documented by its author. It is best suited to experimentation, small native utilities, and studying cross-platform GUI abstraction.

Features

Native Windows, macOS, and GTK interfaces
Portable C GUI API
Standard desktop controls and dialogs
Custom drawing and text APIs
Cross-platform event handling
Small-program and experimental GUI support

Project Samples

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License

MIT License

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Additional Project Details

Operating Systems

Linux, Mac, Windows

Programming Language

Related Categories

C Libraries

Registered

2026-10-01

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