C++ based debug interface to MSP430, MSP-FET430UIF needed
...The screen shot demonstrates a simulated MSP430F5438A target on CCS (linux). As long as the CCS instance is not aware that there is no real hardware attached, it's a good test option for external simulators.
gdbplus is an extension to formal releases of GNU debugger gdb. On top of gdb functions, the extension provides additional commands to analyze heap data, object relationship, etc. These power features may shed light on tough issues such as memory corruption, debugging highly optimized code, etc.