Programmer-friendly testing framework for Java and the JVM
Cucumber for Ruby
High-performance load testing tool, written in Golang
Node.js test runner that lets you develop with confidence
A PHP library that generates fake data for you
Unit testing framework for Fortran with MPI extensions
Test spies, stubs and mocks for JavaScript
A VBScript development library for serious VBScript programmers
Monkey testing library for web apps and Node.js
Arbitrary expression evaluation for golang
Modular web site spider for web developers.