Useful Tools and Softwares in Digital Marketing

Get into a list of tools that are proven very useful and time being I'll include more and add the purpose of each tool and software. Hope this is useful and your comments form the boost for me to work more and add more..

Softwares and Tools:

Keyword research tools:
Google Adwords keywords suggestion tool
Google search based keyword tool
Google insight for search
UberSuggest
Word tracker
Keywordtool.io
SEO Elite
Word pot
Keyword Discovery
Micro Niche Finder
Keyword Spy
Google trends
AuthorityLabs
SEMrush
Spyfu

SEO Tools:
Google traffic estimator
Google SK tool
Google Webmaster tool
IP and reverse DNS lookup tools
G-site crawler
Copyscape
Page snooper
Axandra Internet Business Promoter (IBP)
Xenu
Web CEO
Rank checker
Traffic travis
SEO power soot
Screaming Frog

Others:
AW stats
Acquisio
Omniture


BuzzSumo and Mention.net to find out mentions of your website.