Gentle.NET is a database independent object persistence framework. It has an extensive feature set, excellent performance, and reasonably complete docs. Features include SQL generation, object construction/caching/uniqing, validation, and much more.
ValueObjects Framework accelerates Service-Oriented Architecture development by providing an API and IDE plug-in for SOAP-compliant objects built on existing persistence engines. Supports Oracle Application Development Framework and JDeveloper 10g.
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.)