Avalonia GitHub Repositories (2026) · Open Source Tools

Free, open-source file converter. Convert 263 formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint, HWP/HWPX, video, audio, e-books and archives. No upload, no Office needed.

Multi-Platform Package Manager for Stable Diffusion

An open-source IDE for C# and .NET, built with Avalonia, for Windows, macOS and Linux: a Roslyn-powered editor, its own debugger with Hot Reload, a CPU and memory profiler, XAML tooling for Avalonia and WPF, and an MCP server for coding agents.

Cross-platform desktop automation app with macro recording, playback, scheduling, text expansion, CLI tools, and Wayland/X11-aware Linux support.

ShareX is a free and open-source application that enables users to capture or record any area of their screen with a single keystroke. It also supports uploading images, text, and various file types to a wide range of destinations.

Desktop app of Euterpe, the Muse Dash community platform for custom charts, mods, and creator tools

MarkMello is an app for quickly opening and reading Markdown files, with an optional edit mode.

XerahS is a cross platform reimagining of the ShareX user interface built with Avalonia. It targets modern UX modular architecture and long term maintainability while preserving core workflows speed and reliability. It provides a foundation for future desktop experiences on Windows, macOS, and Linux with consistent accessible design.

Wow. Yet another Pixiv client!

Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI

Avalonia theme inspired by Semi Design

2dog is Godot in .NET 🦴

A cross-platform and lightweight, code-first .NET GUI framework aimed at NativeAOT.

ProDataGrid is a high-performance DataGrid control for Avalonia.

A compact screen-edge system monitor for Windows and Linux, built with Avalonia and .NET.

A docking layout system.

Nota — a free DAW for macOS, Windows and Linux. No subscription, no account — just open it and make music.

A multi-framework control library of https://github.com/microsoft/fluentui-system-icons

Avalonia-based Handlers for .NET MAUI

PKG Sender — install PS4/PS5 packages over LAN. Pick games on PC, auto-find the console, queue and install. No USB, no manual IP.