The Open On-Chip Debugger
bash debugger
CI maintained precompiled GCC ARM/ARM64 Toolchains for Raspberry Pi
A free COBOL compiler
object orientated scripting language
Extend GDB Server feature, OS Aware Debugging, Thread Stack Checking
A free, portable, fast and simple C/C++ IDE
Easy to use GUI for GDB
Debugger capable of attaching to and injecting code into python
a very fast full system simulator
Superseded by http://www.ti.com/tool/msp430-gcc-opensource