btraceio / btrace

Production-safe dynamic tracing and diagnostics for Java applications—attach to live JVMs with no restart or recompilation.

fr3ts0n / AndrOBD

Android OBD diagnostics with any ELM327 adapter

openjdk / jmc

https://openjdk.org/projects/jmc OpenJDK Mission Control, a production time profiling and diagnostics tools suite.