Top GUI GitHub Repositories & Tools (2026)

Lightweight native Windows GUI client for Xray core, built with WinUI 3

eepp is an open source cross-platform game and application development framework heavily focused on the development of rich graphical user interfaces.

An image and texture viewer for tga, png, apng, exr, dds, pvr, ktx, ktx2, astc, pkm, qoi, gif, hdr, jpg, jxl, tif, ico, webp, avif, heic, and bmp files. Uses Dear ImGui, OpenGL, and Tacent. Useful for game devs as it displays information like the presence of an alpha channel and querying specific pixels for their colour.

X11 node.js network protocol client

User interface engine driven by a declarative language + Rust

Hive Console is part of the Hive GraphQL platform. Schema registry and analytics for GraphQL federation and other GraphQL APIs

DCTS is an ambitious project with the goal to offer absolute independence through software with a no-bullshit mindset completely for free and with a heavy focus on self-hosting, decentralization and ease of use.

Home automated terrarium/aquarium or other enclosed environment with a Raspberry Pi

A paper library for creating custom inventory-based GUIs.

Menu Utilities for Desktop Applications in Rust.

Tray icons for Desktop Applications in Rust.

The AI agent that physically operates a phone — the way you do.

An enhancement and extension library for Avalonia, bringing the Ant Design design language, modern controls, theming, native integrations, and cross-platform UI capabilities to .NET desktop apps.

Lightweight Agent Workstation for Codex CLI + Claude Code — with task scheduler, git worktree & remote control

Tessera (formerly ESP Screens): beautiful, easy touch screens for Home Assistant on affordable ESP32 panels, 2.8 to 10.1 inch (CYD, Guition, Waveshare). Drag-and-drop editor, no YAML, no MQTT.

A unified graphical user experience toolkit for Go desktop applications

Any source (PDF, video, web, audio, text) to interactive learning package with quizzes, flashcards and spaced repetition. One command, 12-section study guide.

2D/3D graphics engine written in C++ language. It currently supports the following graphics APIs: OpenGL 3.3+, Vulkan 1.2, DirectX 11. Its current purpose is to experiment with various CG concepts and techniques.

GPL Electronic Design Automation

Social Network Analysis and Visualization software application.