HLogoZ Lite is a script that automatically changes a logo or other image for specific holidays or other dates. There is also a version HLogoZ available as a plugin for WordPress: HLogoZ-WP. It allows you to specify your own custom dates or holidays on which the logo should be changed. It has three modes: image, Flash, and text. All modes can be used together.
Smart Flex Comboboxes is a Flex widget for making multiple level choices. It allows the user to have several levels of choices where a choice at an earlier level can change the values displayed for the choices at the next level. You can also have disabled items. Selection can be done using the mouse or the keyboard.
The Apache ODF Toolkit is a set of Java modules that allow programmatic creation, scanning, and manipulation of Open Document Format (ISO/IEC 26300 == ODF) documents. Unlike other approaches that rely on runtime manipulation of heavy-weight editors via an automation interface, the ODF Toolkit is lightweight and ideal for server use.