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syzkaller is an unsupervised coverage-guided kernel fuzzer
Test generation for Developers. Generate tests and stubs for your application that actually work!
Storybook is a frontend workshop for building UI components and pages in isolation. Made for UI development, testing, and documentation.
Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
Test suites for Web platform specs — including WHATWG, W3C, and others
Pester is the ubiquitous test and mock framework for PowerShell.
Ward is a modern test framework for Python with a focus on productivity and readability.
👽 Open source API development ecosystem - https://hoppscotch.io
PHP Mutation Testing library