WinLibs standalone build of GCC and MinGW-w64 for Windows
Khronos-reference front end for GLSL/ESSL, partial front end for HLSL
HAC Ada Compiler - small Ada compiler fully in Ada
Your favorite language gets closer to bare metal
(X)BNF simple and clever translation grammar compiler
Scala 2 compiler and standard library
The Small Device C Compiler (SDCC), targeting 8-bit architectures
A lightweight JIT compiler based on MIR
XPL Compiler for the XEROX SIGMA 7
Common Lisp compiler and runtime
Ox is an attribute-grammar evaluator generator.
maXbox is a script tool engine, compiler and source lib all in one exe
XPL Compiler for the Modcomp III/IV and Classic
A free COBOL compiler
A free C, C++ and Fortran IDE
An FHE compiler for C++
A decompiler for Lua 5.x
A minimalistic but complete standard Forth compiler in C
an object-oriented language with late binding
A code generator for connecting C/C++ with other programming languages
C compiler and dev kit for the z80 with assembly language libraries.