GMarks - join
Information and discussion relating to the GMarks extension for Firefox. GMarks shows your Google Bookmarks in a Firefox sidebar and helps manage them. GMarks is not made or supported by Google.
Low activity, 786 members

Google Labs - Notebook - join
This is a discussion forum where you can exchange information with other Google Notebook users.
Low activity, 2968 members

Google-Firefox-Extensions - join
This is a discussion forum where you can exchange information and discuss Google-developed extensions for the Mozilla Firefox browser.
Low activity, 5027 members