BitNami Tracks Stack is an all-in-one cross-platform installer for Tracks, a Web-based application to help you implement David Allen's Getting Things Done methodology. It installs Tracks, Ruby On Rails, and everything else necessary to have a running program in minutes. It works on Windows, Linux, and OS X.
Dream Diary is an encrypted diary application. It allows styled text with embedded images which the application can download from the Web. It indexes words to make it easy to search on words or phrases. It uses strong encryption (Blowfish) on all diary entries. Although it was originally designed for recording dreams, it can be used for any kind of diary or notebook.
Nomad PIM is an extensible personal information manager. It allows you to keep track of your personal data and provides modules for notes, schedule, contacts, money, diary, and timetracking. It is implemented as an Eclipse RCP application. Like Eclipse, it provides extension points for extensions by additional plugins.