SquashTM is described as 'Suite of tools for designing, automating, executing, and industrializing your tests.
Based on an open-source foundation, the solution is modular and easily integrable' and is a automated testing tool in the development category. There are more than 10 alternatives to SquashTM for a variety of platforms, including Web-based, SaaS, Windows, Linux and Self-Hosted apps. The best SquashTM alternative is QANode. It's not free, so if you're looking for a free alternative, you could try QANode or Azure Test Plans. Other great apps like SquashTM are TestRail, TestLink, Testomat.io and Refertest.