ISPConfig - ISP management and Hosting Control Panel. ISPConfig manages one or more webservers, mailservers, BIND DNS server, FTP servers, MySQL databases and virtual Servers with an easy to use webinterface for administrators, resellers and clients.
WebAPP: Web Automated Perl Portal is easily installed on virtually any UNIX-based server which is provided by all modern hosting plans. WebAPP is the most fully-featured, versatile, free and open-source, flat-file Perl portal script available today! ----
nflash is a perl/cgi script providing a easy to use and maintain way of posting news to a website. It is possible to create users being able to edit their own preferences and postings. There is a webinterface, comments, multilinguality, encryption.