DSFoundation is a foundation enhancement library for Objective-C. It includes an IOC (Inversion of Control) container, translation (serialization and conversion) to and from Objects, YAML, and XML, automatic KVC adaptation and compliance, logging through an integrated Log4Cocoa, regular expression extensions, and much more.
PGJDBC-NG is an implementation of JDBC for the PostgreSQL server. It aims to support the complete JDBC 4.1. Specifically, it supports the advanced UDT features of JDBC that the mainstream driver lacks. It's implemented using an asynchronous I/O library (Netty), which allows it to support other advanced features like asynchronous notifications.
Stencil is a templating language for Java that makes layouts and template reuse a simple task. With support for macros, functions, and advanced expressions it's a truly useful language with a simple and elegant syntax. It has an advanced API and is suitable for use in standalone and server environments.