Notify lets you notify the visitors of your website by email if there are changed files on your site. Users can register themselves for groups of files they are interested in. The webmaster can define these groups and the files they contain. Notify is simple and stable. Installation instructions are provided in both English and German.
RPGBoard is a WWWBoard-style message board script. It includes multiple forum support, thread modes, a message previewer/editor, message tags, selectable backgrounds, default options for the regulars, name detection via cookies, recent message date/time color coding, the ability for users/admins to (un)delete messages, top poster statistics, a hidden spoiler message box, the ability to ban IP addresses, a word filter to block cuss words, and much more.
Mod_dtcl is a free/open source implementation of server-parsed Tcl under Apache. It allows you to tightly integrate HTML with Tcl, a widely-used scripting language with many years of development invested in it. There are also many external Tcl modules that you can load into mod_dtcl, to create images, access databases, etc.
PMCam is a program that allows you to set up a webcam on a remote site through FTP and perl. It uses qcam to grab the image, mogrify to do the conversion to JPEG, and Net::FTP in perl to FTP the files to the server. The program's RC file should be configurable, though to allow any camera or converison programs.