Bookmarks Reloaded is a re-write of the popular Joomla! component by TEG Design. Bookmarks Reloaded is fully 2.5.x compatible.
We have released a free version which has some minor restrictions (no import facility and restricted number of links to display) and is not updated as frequently, and a pro version which includes everything. Support is provided via the forum, with our bug tracker at redmine.viryasoftware.com.