Unifying API testing, API Performance testing, API Mocks and UI testing.

Voiden is a developer-first API client with local storage, Git-integrated, all based on markdown + offline support.

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.

Momentic is the automated testing platform built to help teams scale coverage, eliminate flaky tests, and ship with confidence.

Browser and Mobile Automation Test Framework for Node.js

Postman is an API platform for building and using APIs. Postman simplifies each step of the API lifecycle and streamlines collaboration so you can create better APIs—faster.