SoapUI

Built for developers and testers alike, SoapUI is the only open source tool that covers the entire testing spectrum (functional, security, load, mocking).

Similar Tools

k6
k6 Open Source is designed for load testing. Extensible to support other types of testing.
Gatling is a powerful open-source load testing solution that integrates with your development pipeline. It includes a web recorder and colorful reports.
Puppeteer is a Node.js library which provides a high-level API to control Chrome/Chromium over the DevTools Protocol.
Making API testing more scalable and insight-driven for CI/CD, API-first and microservices success
Jest is a delightful JavaScript Testing Framework with a focus on simplicity.
Generate new testing projects hassle-free. Ready for IDE instantly