ITWALES.COM - How do Open Source groupware solutions measure up?
Zoot - Win-based
Lotus Agenda "clone" of sorts...
An open source package (runs as a console application) that is
intended to be reminiscent of Lotus Agenda
Code available @ beeswax @
ee - categorizing information manager for Emacs
Dasher is an information-efficient text-entry interface, driven by
natural continuous pointing gestures.