This is a base which stores knowledge in the form of nested sets
Erlangen Learning Environment for Databases and SQL
DataPall Palliative Care EMR for Resource-limited Settings
Open source Extract Transform Load engine written in Java
MVC2 based HTML 5 enabled Web Application Framework
Post FTP upload script logging to database
A MySQL database wrapper written in PHP
A simple web-logging system in PHP using an XML database.
A UI tool for any database
A database engine entirely in JavaScript (AJAX)