PWP-OWA is a PHP-based drop-in replacement for Oracle's Apache/mod_plsql combination, or Oracle Internet Application Server (iAS), allowing for execution of PL/SQL Web Toolkit applications on any PHP-friendly Web server (Apache, IIS, iPlanet, etc.)
Define your database structure and relations once using the ZsqlML (Zenark's SQL Markup Language) XML DTD, and then generate mulitple vendor-specific SQL scripts, thereby solving the issue of SQL script variances across multiple platforms.
DBDOM bridges the gap between XML and relational databases.
DBDOM is an implementation of the World-Wide Web Consortium's (W3C) Document Object Model in SQL.
DBDOM turns any RDBMS into an XML application server.
PLNet.org is a repository of open source software that is written in PL/SQL or otherwise benefits PL/SQL developers. SourceForge hosts the "meta-project" for the repository tools: management, search, retrieval, update, and others.
APEX XE Oracle tool for implementation data bases with user interface for WEB client server application, which have to serve from 20 up to 100 clients over http web. Its for elevators (maintenance condition state) and other electrical equipment, building