Poor Mans Storage Appliance creates a Virtual Appliance which can join an HA cluster to create shared storage for a virtualized environment.
simple-vip provides a simple Virtual IP (VIP)/Floating IP solution that should work well on any Linux/Unix platform. It does this by being configuration-driven, leaving out any hard-coding for specific platforms.
A standalone PHP library that extracts data from PDF files.
A framework for writing command line applications in Java.