Free-tier testing platforms

Cypress

Cypress is a browser-based testing platform for JavaScript applications. It provides an open-source Cypress App for writing, running, and debugging end-to-end and component tests directly in the brows...

Lost Pixel is an open-source visual regression testing platform for GitHub-based workflows. It compares screenshots from Storybook, Next.js, Playwright, and page-mode runs to detect UI changes before they reach users.

Shake

Shake is a bug and crash reporting platform for mobile apps and websites. It provides SDKs for iOS, Android, React Native, Flutter, and web, and automatically attaches data such as device model, HTTP ...

BugBug

BugBug is a low-code end-to-end test automation tool for web applications and websites. It records browser interactions through a Chrome extension, then turns them into reusable tests that can be edited, scheduled, and run locally or in the cloud depending on plan.

Maxim AI

Maxim AI is a platform for simulating, evaluating, and observing AI agents across the development and production lifecycle. It includes a prompt IDE, prompt versioning, prompt chains, prompt deploymen...

Plurai

Plurai is an AI agent trust platform with products for simulation, evals, guardrails, and simulation-driven optimization. It provides synthetic scenario generation, no-code evaluation creation, guardrail training, and CI/CD integration for validating agent behavior before and during production.

Whitespace

Whitespace is a browser extension and web service for capturing bug reports with one click. It records page activity such as video playback, logs, network requests, navigations, user actions, and storage changes, then shares the recording as a link.

Killercoda

Killercoda is a browser-based platform for running interactive technical scenarios and playgrounds. The site offers free scenarios, course content, and certification-oriented labs, with separate paid ...

Qase

Qase is a test management platform that combines manual test case management, automated test runs, CI results, and requirement traceability in one workspace. It supports test plans, test runs, shared steps, dashboards, queries, integrations, and an MCP server for connecting AI agents to test data.

Repeato

Repeato is a no-code mobile and web test automation tool for iOS, Android, and web applications. It records UI interactions from a mirrored device or simulator on a desktop, then saves the resulting tests to a library for later execution.

Testspace

Testspace is a test management platform that publishes automation, manual, and exploratory test results into a shared dashboard. It integrates with GitHub Actions, CircleCI, Jenkins, GitLab, Bitbucket...

Loader.io is a cloud-based load testing service for web applications and API endpoints. It lets developers register a target host through the web interface or API, run tests that simulate concurrent connections, and monitor results in real time.

kogiQA

kogiQA is a UI automation tool for web applications that uses natural-language selectors instead of CSS or XPath. The landing page shows examples such as click("New User") and type("Name", "Marc"), an...

Coverity Scan is a static analysis service for registered open source projects. It analyzes submitted builds and source code to find defects and vulnerabilities across Java, C/C++, C#, JavaScript, Ruby, and Python projects, then presents the results for developer triage and remediation.

Percy

Percy is a visual testing platform for web and mobile applications. It captures screenshots during automated test runs, compares them against baselines, and surfaces visual diffs for review before release.

TestMu AI is a cloud testing platform for web and mobile applications. It provides browser-based live testing, automation execution, real device testing, visual testing, test management, and analytics...

Keploy

Keploy is an open-source testing platform that records real API traffic with eBPF and replays it in CI as deterministic regression tests, auto-generated mocks, and production-like sandboxes. It suppor...

UI-licious

UI-licious is a browser-based test authoring and execution tool for writing end-to-end UI tests in a simple script format. The page shows a login test for GitHub using commands such as goTo, fill, click, and see, along with a workspace that runs the test and reports step-by-step results.

BrowserStack

BrowserStack is a cloud testing platform for web and mobile applications. It provides access to real desktop browsers and real iOS and Android devices for manual testing, automation, visual testing, accessibility testing, and test reporting.