Browsershots : Browsershots makes screenshots of your web design in different operating systems and browsers. It is a free open-source online web application providi...
Cypress : JavaScript End to End Testing Framework. Fast, easy and reliable testing for anything that runs in a browser.
TagUI : TagUI is a general purpose tool for automating web interactions
Locust : A modern load testing framework
Define user behaviour with Python code, and swarm your system with millions of simultaneous users.
SlimerJS : A scriptable browser for Web developers
ghost.py is a webkit web client written in python.