Google has released Toolbar 5 for Firefox that supports number of new features that were addded in the IE version a few months ago.
It comes with some of the most popular Google Services like Gmail, Google Docs, Bookmarks, YouTube, Notebook, Maps integrated in it and this toolbar will be really useful if you use them.
Google has finally released a new version of Google Toolbar, which is now compatible with Firefox 3. This updated toolbar contains no new features, except that it now works with Firefox 3 and they have tweaked the search box a bit. Google Toolbar 3.1 can be downloaded for here or if you are on IE and would like to try out Firefox along with Google Toolbar, then download from here. Google Toolbar 5 Beta is currently only available for IE.