Contacts Sidebar for Thunderbird 7 available Rated 5 out of 5 stars

From author site: extensions.sanjer.nl

I am very happy to announce the direct availability of a new version of my Contacts Sidebar add-on which is compatible with Thunderbird 7.
Version 1.1pre can be found and downloaded on the Contacts Sidebar pre-release page.

If you appreciate this update, please consider to donate.