Vaadin

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

Capture and inspect webhooks from your browser. Forward to localhost, or replay from history. Free to use.

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.

Add visual testing to any web app, static site, style guide, or component library. Unlimited team members, Demo app, and unlimited projects, 5,000 snapshots/month.

Load behaviour and page speed analysis and optimization tool. The free plan provides 10 tests per day, 5 experiments per week, and 15 GB of maximum ingested data per month.

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.