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

https://openjdk.org/projects/code-tools/jtreg

https://openjdk.org/projects/code-tools/jmh

JDK main-line development https://openjdk.org/projects/jdk

Sentry's documentation (and tools to build it)

OSS-Fuzz - continuous fuzzing for open source software.