A command line tool that recreates the famous data decryption effect seen in the 1992 movie Sneakers.

SQLCipher is a standalone fork of SQLite that adds 256 bit AES encryption of database files and other security features.

A small self-contained alternative to readline and libedit

The Rubinius Language Platform

Open-source implementation of the K programming language

The Interim Operating System

An operating system written in JavaScript

Source code for the Rebol interpreter

Inception movie explained programmatically

Simple evented I/O for Ruby.

Cross-platform virtual machine for the Smalltalk implementations Squeak and Cuis

Meta-level run-time services for Unix processes... a.k.a. dragging Unix into the 1980s

Arrakis public repository.

RoarVM is a manycore Smalltalk Virtual Machine

Source code for MIT's Scratch.app for the iPhone or iPad

The Wasp Lisp Virtual Machine, Associated Libraries, and MOSREF

mark/sweep garbage collector for C

MicroSqueak and a bytecode compiler written outside of Squeak that could build the entire image from text files.

Cryptographically Secure File I/O - Simple encrypted random access file library

API to integrate GTK+ OS X applications with the Mac desktop