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:Visual TestingAutomated Testing
Turn production traffic into regression tests, no code changes
Stars
18,451Last commit
9 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:
Feature flags for rapid, risk-free software deployment
Stars
13,803Last commit
1 day agoLicense
AGPL-3.0
A powerful feature management platform enabling gradual rollouts, A/B testing, and seamless integration for continuous delivery.
Open Source Alternative to:
Design, prototype, and test user experiences with ease
Stars
2,711Last commit
2 days agoLicense
GPL-3.0
Quant-UX is an open-source tool for creating interactive prototypes, conducting user tests, and analyzing results to improve UX design.
Open Source Alternative to:
Open-source testing agent for UI, API, security, accessibility & visual QA
Stars
1,152Last commit
1 month 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
1,684Last commit
5 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
622Last commit
23 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:
Windshift – The self-hosted platform that replaces Jira.
ScreenshotOne