Testcontainers : Testcontainers is an open source library for providing throwaway, lightweight instances of databases, message brokers, web browsers, or just about any...
Cypress : JavaScript End to End Testing Framework. Fast, easy and reliable testing for anything that runs in a browser.
PHP_CodeSniffer : PHP_CodeSniffer tokenises PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.
Locust : A modern load testing framework
Define user behaviour with Python code, and swarm your system with millions of simultaneous users.
Mock Service Worker : Mock by intercepting requests on the network level. Seamlessly reuse the same mock definition for testing, development, and debugging.
Set of tools for testing with older or newer IE browsers