mono

Mono open source ECMA CLI, C# and .NET implementation.

SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.

Tools and libraries to glue C/C++ APIs to high-level languages

MonoDevelop is a cross platform .NET IDE

The official repository for MonoTorrent, a bittorrent library for .NET

Tools to turn .NET libraries into native libraries that can be consumed on Android, iOS, Mac, Linux and other platforms.

SkiaSharp is a cross-platform, comprehensive 2D graphics API for all .NET platforms. And, here is where you will find all sorts of extras that you can use with it.

POSIX/Unix interface for Mono, .NET and .NET Core. Provides functionality for managed code to access POSIX/Unix features not accessible via the BCL. This repository supersedes the older code in https://github.com/mono/mono