Kilt looks for new activities in all your projects and displays them with Growl/Libnotify/Snarl, so you are up-to-date with everything is happening.
If you want to help, please send me a pull request.

OS X

Ubuntu

Windows

On OS X:

• Growl
• growlnotify

On Ubuntu:

• libnotify-bin

On Windows:

• Snarl
• ruby-snarl
• win32-process

gem install kilt
kilt-install TOKEN

If you don’t know your token, you can execute this:

curl -u USERNAME:PASSWORD -X GET https://www.pivotaltracker.com/services/v3/tokens/active

More info and other alternative here.

kilt-app

• kilt-check (see issues)

Copyright © 2010 Diego Carrion

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
“Software”), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.