Maveryx is a free, open source testing tool designed to provide testers and developers with advanced test automation capabilities for functional testing, regression testing, GUI testing and data-driven testing.
PyVows is an asynchronous behaviour driven development (BDD) for Python. The main reason for asynchronous testing is to make tests which target I/O run much faster, by running them concurrently. By having a faster suite, it gets run that more often, thus improving the feedback cycle.
Ivoire is a simple BDD testing framework for Python. It is an RSpec-like testing framework. It aims to bring a few minor constructs over to Python in a way that isn't overwhelmingly disruptive or counterculture.