An open source library for building J2ME applications. It includes an UI, a logging framework, functions for getting location data from a Bluetooth GPS device, and utility classes.

Java software development framework that makes writing AJAX applications like Google Maps and Gmail easy for developers taking care of browser and platform incompatibilities and modularity issues.

Provides a framework designed to allow developers to code in a more targeted, clear and efficient manner.

Standalone JavaScript development environment; goal: turn JavaScript into a general-purpose scripting language. Has set of native modules that contain many general-purpose classes and functions. Open source, GPL.

A high performance open source Logo compiler designed for animations, using OpenGL. Includes demo Logo programs for Linux and Windows.

Renames variables, removes comments and white spaces from PHP files. Offered through Google Code with wiki information and known issues. [Open source, GPL]

Offers a tutorial to create a user-contributed map with Google Maps, PHP and Google Spreadsheets.

A front-end for viewing syslog-ng messages logged to MySQL in real-time. [Open source, GPL]

Offers an object oriented framework that want to improve quality and time of development. [GNU]

APSW is a thin wrapper over the SQLite 3 API. [Open Source, zlib/libpng license]