The OWASP ZAP core project
Open Source record and playback test automation for the web
Node library to automate Chromium, Firefox & WebKit with a single API
A fast, high-level web crawling and web scraping framework
Self-hosted Speedtest for HTML5 and more
Fast, easy and reliable testing for anything that runs in a browser
The Pentester’s Companion
Scalable open source load testing tool
Web Interface for viewing and testing emails during development
Gateway service providing dynamic routing, monitoring and more
Headless Chromium-based web performance metrics collector
Python version of the Playwright testing and automation library
Complete Mandiant Offensive VM (Commando VM)
Fortio load testing library, command line tool, advanced echo server
High-performance load testing tool, written in Golang
Automation for iOS, Android, and Windows Apps
Malicious traffic detection system
qooxdoo - Universal JavaScript Framework
Concurrent browser tests for your Elixir web apps
A Node.js tool to automate end-to-end web testing
Load testing tool for analyzing and measuring performance of services
The Open Source Test Automation Platform
End-to-end testing framework in Node.js & using the Webdriver API
Browser test runner based on mocha and wdio
Supports tests, providing lightweight, throwaway instances of database