Inspyder Backlink Monitor - Inspyder Backlink Monitor is a backlink management software.
Effin Amazing UTM Builder - Add UTM tags to your links from a Chrome Extension
BacklinkSpy - BacklinkSpy uncovers the backlink sources of your competitors
UTMBuilder.net - Easiest UTM tags builder
MoonSearch - MoonSearch is a free backlink monitoring tool that provides a complex link analysis and checks how many backlinks are indexed.
InterestExplorer - Discover 1000's of hidden Facebook interests to target.