- junit 13 A programmer-oriented testing framework for Java.
- dotmesh 9 An assertion API for Java unit-testing frameworks that provides free assertions for each boolean method in the code under test.
- junit.contrib 7 A home for useful JUnit extensions from the maintainers and community
- truth-old 5 Truth: we've made Failure a Strategy
- truth 2 Assertion/Proposition framework for Java unit tests