Open Watcom C/C++ compilers and tools Fork
C/C++ compilers and tools to compile and build for targets DOS 16/32-bit, RDOS, Windows 16/32-bit, OS/2 16/32 bit, Linux 32-bit (x86), Netware running on host OS DOS, Windows 16/32/64-bit, OS/2, Linux 32/64-bit (x86/x64)
JWasm is a Masm-compatible assembler. It supports 16-, 32- and 64-bit code, instructions up to AVX and various output formats. It's written in C.