NSpec is a BDD (Behavior Driven Development) framework for .NET of the xSpec (Context/Specification) flavor. NSpec is intended to drive development by specifying behavior within a declared context. NSpec is heavily inspired by RSpec.
Web Experience Toolkit (WET): Open source code library for building innovative websites that are accessible, usable, interoperable, mobile-friendly and multilingual. This collaborative open source project is led by the Government of Canada.