Here you will find a listing of Open Source programming languages and information on openly developed databases.
Regular Websites
The Analysis Console for Intrusion Databases (ACID) is a PHP-based analysis engine; searches/processes a database of incidents generated by security-related software. - ACID
http://acidlab.sourceforge.net/
BookShelf converts text files to a MIDlet (a Java program that can be run on a mobile phone), making it possible to read your favourite books on your handset. - BookShelf
http://bookshelf.sourceforge.net
CitrusDB is a web-based CCBS that uses PHP and a database backend to keep track of customer information, etc. - CitrusDB
http://www.citrusdb.org
Code-Forge is an advanced integrated development environment (IDE) that provides full project management and complete edit/compile/debug cycle support for over 30 programming languages. - Code-Forge
http://www.codeforge.com/
Fractint is an openly developed fractal generator project designed to run under DOS and ported to Linux. - Fractint
http://www.fractint.org/
Offers free Java, Symbian, Windows, Mobile, Blackberry, Palm and Flash Lite mobile games and applications. Includes software database, device index, manufacturer market share and a section for mobile applications developers. - GetJar
http://www.getjar.com
JReferences is a program written in Java for managing bibliographic references in the BibTeXML format; storage is done in a binary file database or in a MySQL database. - JReferences
http://sourceforge.net/projects/jreferences/
Pulga is designed to provide a way for students and researchers who study dynamical systems to model them on a computer and analyze them numerically without the difficulty of traditional computer programming languages. - Pulga
http://sourceforge.net/projects/pulga/
PyPE (Python Programmers Editor) is a lightweight but powerful editor; including syntax coloring, multiple open documents with tabs, per-document browsable source trees, and many others. - PyPE
http://pype.sourceforge.net/index.shtml
RefDB is a reference database and bibliography tool for SGML, XML, and LaTeX documents; provides most of the functionality of Reference Manager or EndNote. - RefDB
http://refdb.sourceforge.net/
An Open Source programming language; contains information about application development using this programming language, as well as samples to applications created with Ruby on Rails. - Ruby on Rails
http://rubyonrails.org/
VideoDB is a database to manage your personal video collection. It's designed for videofiles but you can also put your DVDs, games, etc. - VideoDB
http://www.splitbrain.org/projects/videodb