Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies
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egui: an easy-to-use immediate mode GUI in Rust that runs on both web and native
- gui
- rust
- game-development
- wasm
A cross-platform GUI library for Rust, inspired by Elm
Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI
Cross platform GUI toolkit in Go inspired by Material Design
- golang
- gui
- cross-platform
- go
LVGL is a free, full-featured embedded UI library for devices from small MCUs to 3D-capable MPUs, enhanced by LVGL Pro, a professional editor and tooling.
- c
- cpp
- display
- e-ink-display
Slint is an open-source declarative GUI toolkit to build native user interfaces for Rust, C++, JavaScript, or Python apps.
Turn (almost) any Python command line program into a full GUI application with one line
Rust GUI components for building fantastic cross-platform desktop application by using GPUI.
- gpui
- desktop-application
- uikit
- rust
Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.
- kotlin
- ui
- multiplatform
- desktop
Open source UI framework written in Python, running on Windows, Linux, macOS, Android and iOS
High performance UI layout library in C.
- layout
- ui
Dear PyGui: A fast and powerful Graphical User Interface Toolkit for Python with minimal dependencies
- cpp
- python
- imgui
- toolkit
Python GUIs for Humans! Create any GUI simple or complicated in a way that's intuitive. Launched in 2018. NEW for 2026 - the LGPL3 Version 6. Transforms tkinter, Qt, WxPython, and Remi into a simple, intuitive, and fun experience for both hobbyists and expert users.
- pysimplegui
- gui-framework
- python
- tkinter
A modern and customizable python UI-library based on Tkinter
- python
- ui
- ui-design
- tkinter
A single-header ANSI C immediate mode cross-platform GUI library
- c
- gui
- nuklear
- single-header-lib
Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports.
Qt binding for Go (Golang) with support for Windows / macOS / Linux / FreeBSD / Android / iOS / Sailfish OS / Raspberry Pi / AsteroidOS / Ubuntu Touch / JavaScript / WebAssembly
- go
- gui-framework
- qt
- cross-platform-gui
Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.
A data-first Rust-native UI design toolkit.
WinUI: a modern UI framework with a rich set of controls and styles to build dynamic and high-performing Windows applications.
Platform-native GUI library for Go.
:zap: Native, high-performance, cross-platform desktop apps - built with Reason!
- reason
- reasonml
- ocaml
- react
Toolkit for building native desktop apps