Monitor network requests and API failures with real-time insights

Professional software tool for HTTP testing and debugging

Hand-crafted lightweight Rest Client for testing APIs. Supports collections, environments, git collaboration and local storage.

Selenium automates browsers. That's it! What you do with that power is entirely up to you.

Generate massive amounts of fake (but realistic) data for testing and development in the browser and node.js

Burp or Burp Suite is a set of tools used for penetration testing of web applications. It is developed by a company named Portswigger who make freely available a Web Security Academy which has a range of lessons on penetration testing.