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.
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.