EpicBeat
EpicBeat Analyzes successful content on your business and tells you what tends to work well. By way of instance, the software told me that popular material around the topic of "link building" tended to be movie or infographic based. And list posts also tended to perform well. Pretty cool.
Marie Haynes' Disavow Blacklist
Wondering If a connection is hurting or helping your search engine optimization efforts? Then upload the URL of the page to Marie Haynes' blacklist tool. It will inform you whether the domain is on Marie's comprehensive list of spammy sites. If it's, you may want to incorporate it into some disavow file. Helpful.
Muck Rack
If You want to get mentions (and backlinks) from sites such as The New York Times and Forbes, you have to begin rubbing elbows with supporters. And Muck Rack is a remarkable PR tool which will help you quickly locate journalists that cover your site's industry. Cool Feature: The "Journalist Directory" is a hand-curated list of journalists at over 500 media outlets. Contains their latest tweets, up-to-date and columns contact information.
Fast URL Opener
If You do a good deal of link building you will need to use a tool that opens a large ol' collection of URLs simultaneously. Along with the Quick URL Opener is among the best (if not THE best) free SEO tools out there.
GuestPost Tracker
GuestPost Tracker is a giant database of 1000+ websites which accept guest articles. The application also allows you to monitor websites that you've submitted to. Their sales copy highlights that the sites on their list are not a part of a PBN. I took a look at some of the sites in their database and they looked legit.
