The 64 Studio Platform Development Kit (PDK) is a version control system for GNU/Linux distributions, allowing the creation and management of many different projects, based on Debian and Ubuntu sources. PDK is written in Python, and the source code is well commented and contains documented examples.
Maven Integration for Eclipse makes it easy to use Maven in Eclipse. Features include: a form-based and XML editor for the Maven POM; a quick search in remote Maven repositories and integration with Nexus Maven repository manager; Maven-based dependency management and automatic downloading of required dependencies and sources; launching Maven from within Eclipse; creating new projects using Maven Archetypes; materializing projects using Maven metadata; integration with JDT, AJDT, and WTP; integration with Maven SCM, Subclipse, Subversive, and Team/CVS; and extension points and API for 3rd party integration.
vzhaipd (scoyo's Virtuozzo/OpenVZ HA IP Daemon) is a set of mount/umount Container scripts for Parallels Virtuozzo or OpenVZ that will make sure a HA IP is always present on one of two or more Containers. You can think of it as the poor man's VRRP for Virtuozzo and OpenVZ Containers. Use it for general service availability, software load-balancer failover, etc.