Copper is a Web-based project management software tool designed to help creative teams manage clients, projects, tasks, files, budgets, and events. It has an HTML/AJAX front end. It is available with full source for a licence fee or as a SAAS hosted service (compatible with iPhone, but available via PC/Mac/Linux and a Web browser).
Surftree is an applet that displays data organized in a spreadsheet as an expandable tree on a Web page. The tree can be 9 levels deep and have over 65,000 nodes. Each node can display up to 4 independent Web pages or JPG images. It works with Java 1.0 and 1.1+ and in any Web server environment.