iVote is a sort of visual poll/image voting system that allows you to set up a collection of images that users can then vote on. A full administration screen is available that allows you to add/delete entries, sort by fields, gather statistics and manage the database. Users are presented a visual preview page where they can vote. It includes theme support.
Siag Office is a free office package which consists of the spreadsheet Siag, the word processor PW, the animation program Egon, the text editor XedPlus, the file manager Xfiler and the previewer Gvu. Siag is easy to use, yet infinitely flexible through multiple embedded interpreters and a plugin mechanism that allows other programs to run inside the main document. The supported interpreters are SIOD, Guile, Tcl, and Python.
Photolib is a Web-based photo gallery program, but unlike all other galleries, it is aimed to be a library rather than a standalone program. This way, users can take the Photolib library and easily plug a photo gallery into their own Perl-based site. They are also free to easily create their own look and feel to the gallery through regular Perl and HTML, rather than some complicated theme generator.
PHP Digicam Database is a suite of scripts that help you place large quantities of pictures on the Web in a categorized and organized fashion. It is especially useful for pictures taken on a digital camera, and is meant to be a "digital camera direct to Web" piece of software. It automatically creates thumbnails and scaled-down images and can automatically rotate pictures for you. It uses PHP, MySQL, and ImageMagick.
Vulpive is webcomic archive software with all of the common features of other online comics, plus some fairly novel ones. Comics can be uploaded for particular dates in advance, and will appear at midnight. There is a separate "calendar view" where comics can be browsed by thumbnail. Three different layout modes are available. Commentary for individual comics is supported. Plot arcs can be organized into chapters. It is easily skinnable by anyone with basic HTML or CSS experience. An automatic RSS feed is provided.