Top LINUX GitHub Repositories & Tools (2026)

Game Boy / Game Boy Color / Super Game Boy emulator and debugger with embedded MCP server for macOS, Windows, Linux, BSD and RetroArch.

The Notepad equivalent for Markdown

Boot operating systems directly from ISO/WIM images

Emulator that can run 32-bit Windows programs/games on multiple platforms via Wine

Sega Saturn emulator

Mirror of https://gitlab.redox-os.org/redox-os/relibc

An aesthetics-first wallpaper selector and engine with extreme performance that supports images, videos and Wallpaper Engine Scenes. Wallpaper-based theming with Matugen and granular colour fixing as well! Also has a built in Wallhaven.cc & Steam browser because why not. Join us on discord - https://discord.gg/cgxy8EEVmz

U++ is a C++ cross-platform rapid application development framework focused on programmer's productivity. It includes a set of libraries (GUI, SQL, Network etc.), and integrated development environment (TheIDE).

🔑 Free Offline-first Password Manager

Egeria core

🏝️ A CLI Tool to Automate Your Everyday Web Browser.

Dear ImGui apps made simple: desktop, mobile, and web from one codebase. Minimal code. Maximally readable.

Easy to use local storage management for Linux.

A fast, modern, distro-independent package manager that just works [maintainer=@QaidVoid]

DSL Framework consisting of a DSL Engine and a Data-Binding Library used in Glimmer DSL for SWT (JRuby Desktop Development GUI Framework), Glimmer DSL for Opal (Pure Ruby Web GUI), Glimmer DSL for LibUI (Prerequisite-Free Ruby Desktop Development GUI Library), Glimmer DSL for Tk (Ruby Tk Desktop Development GUI Library), Glimmer DSL for GTK (Ruby-GNOME Desktop Development GUI Library), Glimmer DSL for XML (& HTML), and Glimmer DSL for CSS

System profiler and benchmark tool for Linux systems

Experimental free and open-source PlayStation 4 kernel

Native CarPlay & Android Auto head unit for Linux (ARM/x64) & macOS (ARM/x64). Multi-session wired + wireless projection, zero-copy hardware video decoding, low-latency audio.

C++ libraries for writing Wayland Shells

Japanese Input Method System for Linux, macOS, Neural Kana-Kanji Conversion Engine