Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

Cross platform GUI toolkit in Go inspired by Material Design

A cross-platform GUI library for Rust, inspired by Elm

A toolkit with common assertions and mocks that plays nicely with the standard library

A React-based UI toolkit for the web

Slint is a declarative GUI toolkit to build native user interfaces for Rust, C++, or JavaScript apps.

An powerful enhanced toolkit of MyBatis for simplify development

Dear PyGui: A fast and powerful Graphical User Interface Toolkit for Python with minimal dependencies

Create web-based user interfaces with Python. The nice way.

Cross Platform Terminal UI toolkit for .NET

A BPMN 2.0 rendering toolkit and web modeler.

🌋 A toolkit to quickly build apps with React, GraphQL & Meteor

🔧 Electron based open source toolbox, free integration of rich plug-ins. 基于 electron 的开源工具箱，自由集成丰富插件。

A toolkit for React, Preact, Inferno & vanilla JS apps, React libraries and other npm modules for the web, with no configuration (until you need it)

Lightweight Lenovo Vantage and Hotkeys replacement for Lenovo Legion laptops.

FireBug for designers › Edit any webpage, in any state https://a.nerdy.dev/gimme-visbug

Liveblocks is the platform for adding collaborative editing, comments, and notifications into your application.

A delightful toolkit for building TypeScript-powered command-line apps.

Dynamic Instrumentation Tool Platform

An open-source digital image forensic toolset