Top TESTING GitHub Repositories & Tools (2026)

A modern, expressive testing package for Swift

NUnit Framework

This is the stress-ng upstream project git repository. stress-ng will stress test a computer system in various selectable ways. It was designed to exercise various physical subsystems of a computer as well as the various operating system kernel interfaces.

Database Subsetting and Relational Data Browsing Tool.

syzkaller is an unsupervised coverage-guided kernel fuzzer

✅ The programmer-friendly testing framework for Java and the JVM

A library for setting up Ruby objects as test data.