gcc

An LLVM/Clang/LLD based mingw-w64 toolchain, with MSVCRT runtime library

An LLVM/Clang/LLD based mingw-w64 toolchain, with UCRT runtime library

RosBE bootstrapper and toolchain manager for ReactOS

AVR toolchain for Windows by Zak Kemble

Development Environment for ARM

The GNU Arm Embedded toolchain contains integrated and validated packages featuring the GCC compiler, libraries and other tools necessary for bare-metal software development on devices based on 32-bit Arm Cortex-A, Cortex-R and Cortex-M processors.

A standalone build of GCC and MinGW-w64 for Windows, with MCF threading library and UCRT runtime library.

VHDL 2019/2008/93/87 simulator