Not without a little hacking. After a little digging, it looks like it has an implicit Rails dependency (http://github.com/javan/whenever/blob/f036675e94cd9dd9b21d2c...)

It will work FINE without Rails. The code you're pointing to simply finds the Rails root if it exists as a convenience. If one doesn't, you have to manually tell Whenever your path: set :path, "/path/to/my/app"

I wrote something very similar to this a little while ago that's framework agnostic, http://www.github.com/jcapote/theman

cool, i didnt know about http://rufus.rubyforge.org/rufus-scheduler/ , that you're using in this project.