a source code tag system that works the same way across diverse environments. You can locate a specified object in the source files and move there easily. It is useful for hacking a large project containing many subdirectories, many #ifdef and many main()
a tool for generating call graphs from source code. It supports various data collection methods such as using a patched compiler or objdump to collect proper information about the source and its layout. It currently supports C and C++ and comes with full