MonoDevelop is a cross platform IDE mostly aimed at Mono/.NET developers
Mono open source ECMA CLI, C# and .NET implementation.
One framework for creating powerful cross-platform games.
Tools and libraries to glue C/C++ APIs to .NET
Packaging metadata for Mono snapshot packages
Temporary repo to hold nuget binaries for use with MonoDevelop
Continuous build system used by Mono and Moonlight.
Open source .NET binding for the Vulkan API
C-based implementation of the GDI+ API
A cross-platform UI toolkit for creating desktop applications with .NET and Mono
Custom version of Boring SSL used by Mono
Gtk# is a Mono/.NET binding to the cross platform Gtk+ GUI toolkit and the foundation of most GUI apps built with Mono
The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio.
The official repository for MonoTorrent, a bittorrent library for .NET
Mono.Addins is a generic framework for creating extensible applications, and for creating add-ins which extend those applications.
Support for the Skia Library
Skia is a complete 2D graphic library for drawing Text, Geometries, and Images.