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

Hosted System Status Pages Fully customizable, featuring incident tracking, subscriber notifications, and much more

Code, test, and deploy synthetic monitoring at scale.

Free & OpenSource REST API Testing Tool for all levels in a Test Pyramid

Integrate systems. Automate work. Accelerate your digital transformation with a single platform for integration and business process automation.

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.