CMS Detector is a PHP class that can detect the software used by a site by analyzing its HTML. It takes as input the HTML of a given page and checks if certain HTML tags are present in the page, which usually are associated with certain Web applications. The class returns the list of known applications that seem to be used in the site, as well the URLs of those applications.
WilsonTechnology Flash Applications is a collection of Flash applications that make your Web site more interactive, and help to build online communities. The scripts are customisable and easy to install and include a phpBB shoutbox, FLV and SWF player, user counter, Flash video recorder, and MP3 player.