A fast, high-level web crawling and web scraping framework
Headless Chrome Node.js API
SoapUI is a free and open source cross-platform functional testing
Super-agent driven library for testing node.js HTTP servers
Lightweight service virtualization/ API simulation / API mocking tool
A go-style coroutine library in C++11 and more
Java GUI-Less browser, supporting JavaScript, to run against web pages
Best tools for 404 WebApp stress
Python bindings for the Chromium Embedded Framework (CEF)
Visual regression tool used to compare baseline and updated instances
A lightweight programming environment for Java
Middleware with a high level of abstraction of the graphic system.
Tool chain for the automated extraction/analysis of system invariants
High-level API design language for web APIs