Remember-The-Meeting is a project mainly written in Ruby, it's free.
Gem that integrates against Exchange server and notifies you 15 minutes before meetings.
This gem is will connect to your calendar on Microsoft Exchange server and make sure you don't miss any appointments.
On Mac, growl, growlnotify and growl gem need to be installed. On linux, libnotify-bin is the only dependency.
gem install remember_the_meeting
export EDITOR=vim
or mate, gedit or whatever. Then run:
remember_the_meeting config
to configure the connection. Finally, run:
remember_the_meeting