Debug tools Bug Tracking System available through a web interface Nemiver – Standalone graphical debugger for GNOME D.U.M.A Detect Unintended Memory Access – A Red-Zone memory allocator Valgrind – a memory debugger and profiler electricfence – a malloc debugger gdb – GNU source level debugger ddd – GNU data display debugger strace – a system call tracer ltrace – intercepts and records dynamic library calls which are called by an executed process and the signals received by that process