WebTools is "system" of multiple modules and libraries. Along with template engine capabilities, it features session management, global variables support, cookies support, and various database interfaces. It also features a pure Perl mail client, categories management, form checking, and libraries such as a CGI-based downloading library, HTML parsers, and a library that makes PHP functions available to Perl for ease of development.
Partyfish is a content managment system with many features, including an information sharing system, commenting system, markup language, built-in BBS, and much more. It is completely themable with a bit of HTML and CSS knowledge. It also has a administration interface, which makes managing the information very easy for the administrators.