Salon 21st | Let's Get This Straight: From Agenda to Zoot

"... Readers fill us in on personal information software -- the good, the bad and the discontinued. ..."

Looks like an interesting summary of a bunch of packages that I've known of for a while. As the author says,
"...What's missing is any kind of central repository of information. (Yahoo's listing is a start, but it's woefully inadequate.) I'd like to at least begin to remedy that here, by pooling readers' ideas with links to software sites for personal information management junkies. ..."