GNU DDD - (Data Display Debugger) is a graphical front-end for command-line debuggers such as GDB, DBX, WDB, Ladebug, JDB, XDB, the Perl debugger, the bash debugger bashdb, the GNU Make debugger remake, or the Python debugger pydb. Besides "usual" front-end features such as viewing source texts, DDD has become famous through its interactive graphical data display, where data structures are displayed as graphs.
Faster fault isolation, improved memory optimization, and dynamic visualization for your high performance computing apps. TotalView for HPC is a scalable and intuitive debugger for parallel applications written in C, C++, and Fortran that simplifies and shortens the process of developing, debugging, and optimizing complex applications. Purpose-built for multicore and parallel computing, TotalView for HPC delivers a set of tools providing unprecedented control over processes and thread execution, along with deep visibility into program states and data.