HAC Ada Compiler - small Ada compiler fully in Ada
The C# to Lua compiler
A free C, C++ and Fortran IDE
Common Lisp compiler and runtime
An educational software system of a tiny self-compiling C compiler
A free COBOL compiler
A decompiler for Lua 5.x
RetDec is a retargetable machine-code decompiler based on LLVM
maXbox is a script tool engine, compiler and source lib all in one exe
A whole-program optimizing compiler for Standard ML
Interpreter and compiler for the Seed7 programming language.
Quick Batch File Compiler decompiler. compile bat to exe back to bat
C compiler and dev kit for the z80 with assembly language libraries.
The regex-centric, fast lexical analyzer generator for C++
ECLiPSe Constraint Logic Programming System
Simple ⇒ Object-Oriented ⇒ Functional
Cobol Cross reference tool for GnuCobol written in Cobol
Simple and flexible programming language for applications development
fast, portable Pascal compiler using gnu c as intermediate code
Action! - The Native Programming Language for Atari 8-bit Computers