LeeSanderson 

NAnt is a build tool that builds .NET projects and solutions (based on the original Ant for Java). It is also an XML-based "scripting" language where you order "tasks" to do the build work.

Integration testing helper library for Azure Functions in the style of WebApplicationFactory

Cross-platform .NET standard P/Invoke wrapper for the wkhtmltopdf and wkhtmltoimage library that uses Webkit engine (approximately equivalent to Safari 5.0.6) to convert HTML pages to PDF and Images.

CHESS is a open source tool created by Microsoft Research for systematic and disciplined testing of concurrent programs.