AltWalker - A Model-Based Testing Framework
AltWalker is an open-source Model-Based Testing framework that I developed in 2018 and have maintained since. It supports running tests written in Python 3 and .NET/C#. With AltWalker, you design your tests as a directed graph, and it generates test cases from your graph using GraphWalker and executes them.
AltWalker has garnered substantial attention, accumulating over 46K downloads on PyPi.