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
A standalone build of GCC and MinGW-w64 for Windows, with MCF threading library and UCRT runtime library.
Another (unofficial) Qt CLI Installer