BugBug

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.

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.

Various free network and server tools.

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

It's like CodePen but for cross-browser testing. UI-licious lets you write tests like user stories and offers a free platform - UI-licious Snippets - that allows you to run unlimited tests on Chrome with no sign-up required for up to 3 minutes per test run. Found a bug? You can copy the unique URL t

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

Free on-page SEO website tester. 10 free website crawls per day. Useful SEO learning resources and recommendations on how to improve the on-page SEO results for any website regardless of technology.