Free 32/64/16-bit multi-platform Pascal and Object Pascal compiler
A 32/64/16-bit Pascal compiler for Win32/64/CE, Linux, Mac OS X/iOS, Android, FreeBSD, OS/2, Game Boy Advance, Nintendo NDS and DOS; semantically compatible with Delphi, Borland Pascal and Mac Pascal (partially) with extra features, e.g. operator overloading.
An open source COBOL compiler for the PC x86-32 platform.
Generates GNU assembler and requires GCC to produce a binary.
Supports Linux, BSD and MinGW 32 bit platforms.
An assembler for IA-32 processor. Will be mainly focused on 32-bit with less emphasis on 16-bit functionality. Its mission is to provide an alternative Intel assembly language compiler for Intel developers. Its objective is to support various syntax from