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
API Testing Platform that automatically generates unit test cases with dependency mocks from API calls
Realistic performance testing with unrivaled reporting. Develop locally, scale globally, and retain full access to all your data. 100% Open Source.
Hand-crafted lightweight Rest Client for testing APIs. Supports collections, environments, git collaboration and local storage.
Testing and validating REST services in Java is harder than in dynamic languages such as Ruby and Groovy. REST Assured brings the simplicity of using these languages into the Java domain.
Requestly is an open-source tool that simplifies API development, testing, mocking, and integration for developers and QAs.
Loader.io is a free load testing service that allows you to stress test your web-apps & apis with thousands of concurrent connections.
ACCELQ self-healing automation adapts to UI changes, cutting maintenance by 72%. Book a Demo to see it on your site.
There are countless ways to show up and contribute. Which one will you try today?
With servers in >250 cities around the world, check your site for localization problems, broken GDPR banners, etc.
How are teams like yours balancing speed, quality, security, and AI in 2026? Download your copy and get real insights.