Ninety nine tools have been identified without which digital marketing is unthinkable. These tools have been divided into categories which are PPC, SEO, social media, content marketing and business analytics plus conversion rate optimization. PPC tools identified are – AdWords Editor, Keyword Planner, Bing-Ads Editor, AdWords Scripts, AdWords Performance Grader, Bing-Ads Intelligence, Bing-Ads Grader, Keywords Wrapper, Google Trends, Phrase Builder, Toolpak for Excel, Soovle, Convertable, Uber-Suggest, Split-Tester, Word Stream Landing Page Grader, Keyword Competitor, iSpionage, SEM-rush, Spy-Fu, Keyword-Spy, What-Runs-Where, The Search-Monitor, Ad-Gooroo, Typo-Generator and finally Keyword Niche Finder. SEO tools identified are- Google Suggest, Ahrefs, Majestic, Compete, Deep-Crawl, Anchor Text Over Optimization Tool, SEO Title Tag 3.0, Domain Hunter Plus, Keyword-Map, Moz-Local, Google SERP Snippet Optimization Tool, Internet Marketing Ninjas SEO Tools, Linkstant, Moz-Cast, Rank-Checker for Firefox, Schema Creator, Seer SEO Toolbox, SEO Tools for Excel, SEO gadget Tools, Similar Page Checker, URI Valet, Xenu’s Link Sleuth, Moz-Bar, Alexa-Toolbar for Chrome, Mozscape API, Open Site Explorer and Screaming Frog SEO Spider. Social media tools are- Hoot suite, Tweet Deck, Buffer, IFTTT, Buzz Sumo, Social Oomph, Tweepi, Save Publishing, Social Flow, Like Alyzer, Sprout Social, Social Bro, Crowd booster, Happy Cyborg, Openr, Bitly, Media Toolkit, Every post and Discover.ly. Content marketing tools are- Prezi, Powtoon, Blog Topic Generator, Trello, Content Idea Generator, Feedly, Co-Schedule, After the Deadline, Polar, Slide-Share, Placelt, Canva, Share as Image, Piktochart, Tableau Public, The Readability Test Tool, Quora, Omm-Writer and Evernote. Optimization tool include- Google Analytics, Crazy-Egg, Click-Tale, Subject-Line, Mix-Panel, Formisimo, Visual Website Optimizer and Five-Second-Test.

Source: http://www.business2community.com/online-marketing/99-online-marketing-tools-you-wont-be-able-to-live-without-01310136