Jnario is a framework for writing executable specifications for Java. It provides all the goodness of Xtend while being specifically tailored to writing acceptance and unit tests. It is easy to integrate as Jnario specifications are compiled to plain Java Junit tests.
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.
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.
Test Dept. is an ease-of-use framework for unit testing. It is suitable for pure C-code and consists of assertions macros and makefile snippets for automated tests. The framework provides runtime stubbing of functions. Test suites are standalone binaries following a certain specification and can thus be used by arbitrary test-runners.
fixture is a python module for loading and referencing test data. It provides several utilities for achieving a fixed state when testing Python programs. Specifically, these utilities setup / teardown databases and work with temporary file systems.
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
cipra is a simple, TAP-compatible Unit Testing Framework for C++. cipra is Free and Open Source Software, released under a 3-clause BSD-style license. It's written in 100% standard C++11 and is only a couple header files, making it easy to include in your C++11 project.