Gallery is an online photo album organizer. Whether for small personal sites or large community sites, Gallery provides an intuitive way to blend photo management seamlessly into any website. Serving millions worldwide, Gallery is the most widely used system of its kind. Gallery is free to download and use.
The second and final release candidate of Gallery 3.0 (code named Santa Fe) is here! Your feedback in our beta and release candidate phases has been priceless. Now we're just going to make sure that there are no last minute showstoppers before we release the final version and our real journey with Gallery 3 starts!
Download it now!
http://downloads.sourceforge.net/gallery/gallery-3.0-rc-2.zip
read on for more details