Selenium : Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testin...
Browserling : Live interactive cross-browser testing
TagUI : TagUI is a general purpose tool for automating web interactions
Browsershots : Browsershots makes screenshots of your web design in different operating systems and browsers. It is a free open-source online web application providi...
Locust : A modern load testing framework
Define user behaviour with Python code, and swarm your system with millions of simultaneous users.
ghost.py is a webkit web client written in python.