Linkback
LinkBack SDK v.1.0.3
[ Via MacMinute ] Nisus Software, The Omni Group, and Blacksmith announce LinkBack, a new technology that brings embedded objects to the Mac OS X platform.
Dd-soft.com Linkback-checker
PageRank provides search engine optimization tools check if a specific site is linking back to you, very useful when trying to keep track of all your link swaps, which is necessary when your are optimizing for search engines