foobarbaz - a single-header property-based testing library in C99

An easy-to-use unit testing framework for C applications.

Cuazar(pronounced kway-zar) is a simple unit testing library for C

This is a port to RISC OS of the munit library for C Unit Testing

a library that adds a filter to time() function calls

Test library with run-time test discovery in C

Mostly specialized on unit tests library for improved testing experience

Simple, Fast, cross-platform static tester.

Minimal C Testing Framework in Under a Kibibyte

Embedded Test Framework is a FREE and open-source embedded unit test framework for microcontrollers.

A small, easy-to-use unit testing framework for C.

Lightweight C test library

Simple testing library for 42's C projects

ubench + utests = ubut