Cape solves a surprisingly common problem: I have this big bunch of rake tasks; I'd like them to run on the server, which tends to mean writing cap tasks just to run the rake tasks. Cape makes it easy to just mirror them.

"This [plugin] is called Craken. In a nutshell it manages and installs rake-centric cron jobs. Coupled with Capistrano goodness it is the answer to your recurring task needs in Rails."

"All it takes is a single call to Rake and you're backed up on Amazon's redundant, secure systems."

Chris Wanstrath drops the Sake Bomb - it's like rake, but system-wide, and easily extended from the net. Which is very, very nice.

Lots of good sample code, and the links are most handy

All the rake tasks in one place. Wasn't even aware of a lot of these. Useful.