Ahrefs Backlink Checker - With the world's biggest index of live backlinks (over 15 trillion), Ahrefs Backlink Checker will show you the most complete backlink profile for any website.
Meteor.link - Retarget anyone who clicks on your links.
Backlinks by Neil Patel - A backlinks research tool for competitive intelligence
JustReachOut - A tool to help you pitch to journalists and press daily all on your own.
Toxic Backlink Checker - Find out what's lurking in your backlink profile.
Postaga - Generate more backlinks and social shares with effective, automated post promotion and outreach.