Argos

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.

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.

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.

No-code mobile app test automation tool built on top of computer vision and AI. Works for native apps, flutter, react-native, web, ionic, and many more app frameworks. The free plan is limited to 10 tests for iOS and 10 for Android, but includes most of the features of the paid plans, including unli

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.

Automatically create API and load tests by analyzing network traffic. Simulate up to 50 concurrent users for up to 60 minutes for free monthly.