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
Mockoon is the easiest and quickest way to design and run mock REST APIs.
Voiden is a developer-first API client with local storage, Git-integrated, all based on markdown + offline support.
Fully integrated API and web service testing capabilities that automate end-to-end functional API testing.
Puppeteer is a Node.js library which provides a high-level API to control Chrome/Chromium over the DevTools Protocol.
Test, scrape, generate, and automate without the pain and expense of hosting your own headless browsers.
Manage your entire QA lifecycle in one place. Sync Jira, automate scripts, and use AI to accelerate your testing.
Create, run, and maintain web and mobile tests with no-code, AI-driven automation in the cloud
Create E2E tests visually. Get clear, readable YAML you can actually maintain.
Get hands-on fast with guided setup, AI-assisted test creation, and CI-friendly execution.