Debug Facility for Real-Time issues
IrcAppender forwards important log4j messages to an IRC channel
A simple Bash IDE / Debugger
Minimal terminal program to get access to a serial console
HL7 Inspector is a tool for managing HL7 messages
C/C++ function instrumentation (AOP, exception/stack tracing, GC)
Change your MAC address for debugging
linux syscall tracer
Linux source-level kernel debugger
Allows executing code on MIPS32 EmbeddedLinux devices (WLAN routers)
Web debugging proxy based on Chrome DevTools network panel