Cofoundry is an extensible and flexible .NET Core CMS
NHibernate Object Relational Mapper
Avalonia-based .NET Decompiler (port of ILSpy)
Unity Node Editor: Lets you view and edit node graphs inside Unity
The open source grid computing solution
object-based image analysis framework
Allows to create any Total Commander plugins using .NET languages
3D .NET engine for Windows, Linux, Mac
A Visual Studio integrated framework for C# plugins targeting IDA Pro
Dynamic modularization framework in .net for OSGi Alliance
Apache Cayenne, Wicket, CXF, GWT, EJB examples as a framework
Develop Launchy plugins in .NET languages