If you’re using Google Wave you’re probably grappling with how to use it in your workflow, or trying to figure out how it could make communicating easier for you. This app is very useful in both cases…
http://blog.yakitara.com/2009/10/unofficial-google-wave-notifier-for-mac.html (Download Link)
It’s still quite primitive, but very functional. The app sits in your Mac’s toolbar and lights up when you have new blips on a wave, displaying a number of total un-viewed blips. This simple functionality has allowed me to actually pay attention to Google Wave, turning Wave from a novelty into a tool.