A free C, C++ and Fortran IDE
Bug-fix-only libev port of shadowsocks
BSD licensed ELF toolchain
C/C++ function instrumentation (AOP, exception/stack tracing, GC)
A native Windows port of the GNU Compiler Collection (GCC)
Homebrew toolchains for wii, gamecube, 3ds, ds, gba, gp32 and psp
OllyDbg plugin: advanced labels
Allows executing code on MIPS32 EmbeddedLinux devices (WLAN routers)
C / C++ everything-memory debugger
Port of MS _CrtDbg Memory Leak Detection for WinCE
C library, that logs memory changes made by malloc and free.
Superseded by http://www.ti.com/tool/msp430-gcc-opensource
gdb extension with powerful heap memory commands
An in-application debug probe for ARM Cortex-M microcontrollers.