As with Firefox, you can add new features and extend OpenOffice.org's functionality by installing extensions. Here some of the most useful ones to try.
Some would call TreeLine an Outliner, others would call it a PIM. Basically, it just stores almost any kind of information. A tree structure makes it easy to keep things organized. And each node in the tree can contain several fields, forming a mini-datab
Straightforward application for timetracking different projects on one computer. Displays time data as diagram, creates HTML reports, open source, cross-platform, OS-independent, portable, stable, fast, easy, free.