Open Source Testing & Quality Assurance Tools
A curated collection of the best open source software for verifying that code works, spanning test frameworks and runners, browser and load testing, coverage, mocking, and QA automation.
See also:Automated TestingVisual Testing
Turn production traffic into regression tests, no code changes
Stars
18,567Last commit
6 hours agoLicense
Apache-2.0
Captures real API traffic and dependency calls via eBPF to generate tests and mocks automatically, then replays them in CI to catch regressions before they ship.
Open Source Alternative to:
Open-source testing agent for UI, API, security, accessibility & visual QA
Stars
1,184Last commit
2 months agoLicense
AGPL-3.0
Hercules is the first open-source testing agent, enabling zero-code, zero-maintenance UI, API, security, accessibility, and visual validations.
Open Source Alternative to:
Visual regression testing made effortless
Stars
1,681Last commit
6 months agoLicense
MIT
Automated visual testing tool that detects UI changes, ensures consistency, and accelerates development workflows.
Open Source Alternative to:
Visual regression testing for seamless UI development
Stars
636Last commit
9 hours agoLicense
MIT
Automate visual testing, catch UI bugs early, and collaborate effortlessly with your team to maintain pixel-perfect interfaces.
Open Source Alternative to:
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
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