CLISP is a portable ANSI Common Lisp implementation and development environment by Bruno Haible. Interpreter, compiler, debugger, CLOS, MOP, FFI, Unicode, sockets, CLX. UI in English, German, French, Spanish, Dutch, Russian, and Danish.
VSPMS is the "Very Simple Project Management System", which is a cross-platform set of shell tools and aliases to establish and share project environment variables, aliases, documentation, and setup procedures.
A retargettable micro-controller and embedded system emulator architecture, providing common supports to emulate various types of micro-processors & devices on an x86 PC. Development of emulation for Arduino and various shields is just about to be launched in 2012.
SDL for GP32.
SDL is a cross-platform multimedia library designed to provide level access to audio, keyboard, joystick, and 2D video framebuffer.
The GP32 is a Korean handheld console.
A microkernel operating system distribution offering (among other things) very low hardware requirements, full and easy portability and easy-readable source code.
Lamp is a Unix-like environment that runs in a single process (via threads) on traditional Mac OS, including standard I/O, vfork/exec, a shell, perl, sockets, virtual fs with /dev and /proc, signals, and ptrace(). Runs on 68K/PPC, and on OS X as Carbon.
ELCO stands for Embedded Lisp COmpiler or Esdens Lisp COmpiler. The goal is to create a lisp compiler for embedded 32bit architectures. (i.e. ARM) With this compiler you are able to write lisp code on a naked chip. No OS needed.