Bruno
Bruno is a Fast and Git-Friendly Opensource API client, aimed at revolutionizing the status quo represented by Postman, Insomnia and similar tools out there.
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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.
Automate API workflows. Chain HTTP requests. Validate. Zero code.
Streamline your API testing, integration testing and test data management.
Free and open source. Solve accessibility issues before they reach your customers.
Voiden is a developer-first API client with local storage, Git-integrated, all based on markdown + offline support.