Some dotnet binaries and assemblies from Windows 10 Mobile SDK's IUTools, some may be useful, some may not be.....
Decompiled source for parts of the Microsoft Emulator (aka XDE) using dnSpy
Simple .NET decompiler that turns compiled methods back into LINQ expression trees.
A Super Mario 64 decompilation, brought to you by a bunch of clever folks.
A complete decompilation of Sonic 1 & Sonic 2 (2013) & Retro Engine (v4)
Public API, examples, documentation and issues for Binary Ninja