Moq (pronounced "Mock-you" or just "Mock") is the only mocking library for .NET developed from scratch to take full advantage of .NET 3.5 (i.e. Linq expression trees) and C# 3.0 features (i.e. lambda expressions) that make it the most productive, type-safe and refactoring-friendly mocking library available. And it supports mocking interfaces as well as classes. Its API is extremely simple and straightforward, and doesn't require any prior knowledge or experience with mocking concepts.
SubSpec allows developers to write declarative tests operating at all layers of abstraction consisting of highly composable, small primitive concepts. Based on the powerful xUnit testing framework, SubSpec is easy to integrate with existing testing environments.
The test tool DREAM is used for regression testing and automatic output control of applications that are based on databases and data warehouses. The tool has been developed in Oracle PL/SQL, Oracle APEX and UNIX.
Midje is a test framework for Clojure. I created it to support top-down as well as bottom-up testing, to encourage readable tests, to provide a smooth migration path from clojure.test and to support a balance between abstraction and concreteness.
phpspec is a development tool, designed to help you achieve clean and working PHP code by using a technique derived from test-first development called (spec) behaviour driven development (BDD), or SpecBDD.
Catch stands for C++ Automated Test Cases in Headers and is a multi-paradigm automated test framework for C++ and Objective-C (and, maybe, C). It is implemented entirely in a set of header files, but is packaged up as a single header for extra convenience.
FxObjects is JavaFX Application Framework that enables methodical, pattern based and test friendly way of developing JavaFX applications based on ideas and best practices distilled from real life usage