The Perl Oak Component Tree is a set of objects designed to provide the maximum reusability to software development. Oak can be used in any development platform, but just the Web platform is implemented. In Oak, you define an XML file to each page and you will implement just the events.
Tk::Text::Viewer is a text widget that can display text files under TK. It enable the user to search text and navigate in a Text widget. The reason for creating this module is that it doesn’t require downloading of modules other that Tk, and a need for simple user interaction. The package includes a text viewer demo program that can be used as a stand-alone browser.