Development Tools
Free Testing
Discover 31+ free testing tools and services for developers. All resources include generous free tiers or are fully open-source.
6curated resources
Appetize
Test Android & iOS apps in the browser. Free tier with limited usage.
appetize.io
Argos
Open-source visual testing. Free for open-source: 5,000 screenshots/month.
argos-ci.com
BrowserStack
Cross-browser testing. Free for open-source projects.
www.browserstack.com
Cypress
E2E testing framework. Free Cypress Cloud: 500 test results/month, 3 users.
www.cypress.io
Percy
Visual testing and review platform. Free for open-source and small teams.
percy.io
Testim
AI-powered test automation. Free plan with 1,000 monthly runs.
www.testim.io
Compare these head to head
Deeper write-ups on tools listed above — pricing, trade-offs and a verdict.