percy.io

Verify webhooks, outbound HTTP requests, or emails with a custom URL. A temporary URL and email address are always free.

Test results reporting and test case management. Integrates with popular test frameworks. Open Source software developers, individuals, educators, and small teams getting started can request discounted and free offerings beyond basic free projects.

Visual regression testing for React Native apps. Free plan: 1,000 snapshots/month, iOS & Android simulators.

Ship fast. Don't break things. AI-supported visual verification and tests you can actually trust. Free forever plan: 1 project, 500 runner-minutes/mo, 1 concurrent run, no credit card.

Provides a testing platform that can help teams of all sizes at different levels of testing maturity, including Katalon Studio, TestOps (+ Visual Testing free), TestCloud, and Katalon Recorder.

A free tool for developers and API testers to check if an API is CORS-enabled for a given domain and identify gaps. Get actionable insights.

A web UI automation tool that functions without the need for selectors. Every developer gets 500 actions per month for free. ⬆️ Back to Top

Various free network and server tools.