MojoMojo is a web 2.0 wiki built with Perl technologies like Catalyst and DBIx-Class. It features AJAX-powered trees, RSS feeds, version control, internationalization, tagging, permissions, attachments, searching, and more. It has been under development for 4 years as an open source project hosted on GitHub, where community members can contribute or request commit access. Support is available commercially for installation, customization, and support.