Conten Board for Desktop and Handheld allows you to maintain articles on your Web site from a desktop or handheld device. The articles can be viewed from a desktop browser, PDA browser, or other PDA software. It has been tested on Palmscape, Handspring Blazer, and iSilo (using Sony Clie).
Annif is a minimalistic Web-based birthday (calendar) monitoring tool. Users can add and remove birthday dates and ask to be notified of birthdays. No other usual calendar features will ever be included. It has multi-lingual support, and currently has translations for English and French.
Birch is a package of Perl scripts that runs a photo blog. It displays and archives photos with captions, and has an easy to use administrator interface that allows you to upload new photos and change the captions on old ones. It uses an XML file to store the photo information, so no database is needed. The installation page automates setup for you.