Plans, the best web calendar.
Users say:
I just want to compliment you on the design of Plans! I've spent hours looking through the various on-line calendars available and yours is by far the best combination of features and ease-of-use. I have downloaded it and look forward to using it.

Who uses Plans?

Plans is currently used by:

See what Google has to say.

Plans has an entry on Freshmeat, where some folks have posted comments.

TotalChoice Hosting has detailed instructions for running Plans on their servers.
(Disclaimer: has no business relationship with TotalChoice Hosting.)

(Disclaimer-er: In fact, has no business relationship at all. The ".com" is sort of misleading.)