Review for Zindus by Unhyper
Rated 5 out of 5 stars
Works 100%, quickly, quietly, and hassle-free. Using this with Thunderbird 3.0.5 on Linux Mint 9 x64 and a Google Apps Standard account. Syncs perfectly both ways.
This review is for a previous version of the add-on (0.8.13.3).To create your own collections, you must have a Mozilla Add-ons account.