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.
GenDoc (formerly GenDiapo) is an XML Editor based on a existing project, MerlotXML. It can use two kinds of plugins (DTD and/or action). The DTD plugin can be used to customize the editor for a DTD, and an action plugin can be used to publish documents in HTML or PDF format. The editor is composed of 3 views: tree view, attribute view for current element, and a "styled view". The aim of styled view is to show the document with a visual aspect.
PHP Weather makes it easy to show the current weather on your Web page. PHP Weather retrieves the latest METAR (weather) report and converts this format into both imperial and metric units, caches the data in a MySQL, PostgreSQL, or DBA database for fast retrieval, and makes it easily available in PHP scripts. You can display the data in several languages by using the included translations.