DrmStats is a collection of shell scripts that uses RRDTool to monitor (i.e. make graphs) your system's health. A cron job updates the RRD database and generates PNG graphs of network bandwidth, memory state, ADSL synchro (for Sagem F@st 800 users), number of processes, disk usage, CPU load, and more. It's easy to understand and can be customized for your needs.
GASELL is a Web application that aims to manage a French 1901 association. It stands for "Gestion d'Association Sous Environnement et Logiciels Libres". Main features: It can keep track of members' contributions, create a grid of contributions' prices, search on members' personal information, manage activities of the association, and manage objects and loans of objects.