Open Source Java To-Do Lists Software for Mac

Piggydb is a flexible and scalable knowledge building platform that supports a heuristic or bottom-up approach to discover new concepts or ideas based on your input. You can begin with using it as a flexible outliner, diary or notebook, and as your database grows, Piggydb helps you to shape or elaborate your own knowledge. Piggydb is a Web application provided as a self-contained package that contains a Web server and database engine. With Piggydb, you can create highly structured content by connecting knowledge fragments to each other to build a network structure, which is more flexible and expressive than a tree structure. Fragments can also be classified using hierarchical tags.

The Floranta libraries provide components for building Rich Client Wikis using AJAX or Java. Floranta clients can be embedded in any webpage (even plain html) and allow users to leave notes, images, cards, etc on the pages. Eg: http://www.floranta.com

A J2ME application and a PHP server for managing a shopping list. You can edit the shopping list via web. Once in the store, you download the list to the phone, where you also have a convenient interface for checking and navigating the items.

WebDiary is multi-user web application where users may define their public/private tasks that should be completed. Written in Java, uses EJB3, runs under Java 5 EE application server (tested on JBoss 4.0.4).