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.

Selenium tests are often unstable and difficult to maintain. Parasoft Selenic fixes common Selenium problems within your existing projects and with no vendor lock.

NUnit is a unit-testing framework for all .Net languages.

Test, scrape, generate, and automate without the pain and expense of hosting your own headless browsers.

Appium is an open-source project and ecosystem of related software, designed to facilitate UI automation of many app platforms

Fast, easy and reliable testing for anything that runs in a browser, Cypress is the new standard in front-end testing that every developer and QA engineer needs.