http://www.snapapp.com - Snapapp - Interactive Content Made Easy
https://www.scripted.com - Scripted - Scripted has thousands of expert writers ready to supercharge your inbound traffic with outstanding blogs, stellar white papers, and more.
https://percolate.com - Percolate - Percolate powers successful multi-channel marketing. From simplifying content creation to measuring campaign impact, Percolate helps you work smarter and faster at every step of your marketing.
http://visual.ly - Visual.ly - Create stunning inforgraphics and data visualizations
http://www.skyword.com - Skyword - Thousands of skilled and influential writers, designers, and videographers to help you tell your story.
https://www.textbroker.com - Textbroker - Article and content writing service
http://www.shareist.com - Shareist - Shareist: Schedule, Repeat, and Recycle Your Social Media Posts
https://wordcounter.net,Wordcounter - Word count and a character count tool.
https://www.screamingfrog.co.uk/seo-spider/ - Screaming Frog SEO Spider Tool - The SEO Spider is a desktop program you can install locally on PC, Mac or Linux which crawls websites’ links, images, CSS, script and apps to evaluate onsite SEO
https://www.deepcrawl.com - Deepcrawl - DeepCrawl is the world's most comprehensive website crawler. Analyse your website architecture to understand and monitor technical issues to improve SEO performance
https://www.botify.com - Botify - Botify gathers SEO data from across the entire ranking process of your pages including Crawlability, Indexing, Content Quality, User Behavior, and Organic Visits and delivers deep insights to help you improve the impact of your SEO efforts
http://beamusup.com - Beamusup - Desktop SEO Crawler for OSX, Linux, Windows
https://moz.com/products/pro/keyword-explorer - Moz Pro Keyword Explorer - One tool to discover and prioritize the best keywords to target
https://kwfinder.com - Kwfinder - Find long tail keywords with low SEO competition
https://rankbrain.me - Rankbrain.me - Google AutoComplete Long Tail Keywords
https://ahrefs.com/keywords-explorer - Ahrefs Keywords Explorer 2.0 - Get thousands of relevant keyword ideas with accurate search volume, keyword difficulty score and advanced metrics like Clicks, Return rate and Parent topic.
http://keywordtool.io - Keywordtool.io - Keyword Tool Helps You Find The Keywords That People Are Typing Into Google Search Box
https://ubersuggest.io - Ubersuggest - Quickly find new keywords not available in the Google Keyword Planner
http://termexplorer.com/Public - Termexplorer - TermExplorer delivers the highest volume of relevant keywords & most actionable competitive data available.
http://www.wordstream.com/free-keyword-tools - Wordstream Keyword Tools - WordStream's free keyword tools are an integrated, actionable suite designed to help search marketers with keyword suggestion, keyword grouping, keyword analysis, long-tail keyword research and negative keyword discovery
https://serps.com - Serps.com - Rank Tracking & Keyword Research Database
https://app.wordtracker.com - Wordtracker - Reveal 1000's of longtail keywords
http://sentineliq.com - Sentineliq.com - Automatically identifies keyword opportunities based on a proven set of ranking heuristics
http://keywordjudge.com - Keywordjudge.com - Online keyword research tool that lets you choose your own metrics to determine keyword difficulty.
https://www.keywordstudio.com,Keywordstudio.com - Theme-based Keyword Research Workspace for SEO Professionals
https://www.storybase.com/ - Storybase - Keyword variations and volumes together
https://www.keywordrevealer.com - Keyword Revealer - The Ultimate Keyword Research Tool. Pioneer of the keyword research tool sector.
Local SEO Tools
https://moz.com/local - MOZ Local - Moz Local ensures that your local business listings are correct, consistent, and visible across the web.
https://hallanalysis.com/json-ld-generator/ - JSON-LD Schema Generator For SEO - One of the easiest ways to add Schema’s structured markup to a page is to use JSON-LD. With this tool you can quickly generate the correct JSON-LD for any page on your site.
http://localseochecklist.org - Localseochecklist
https://synup.com - Synup.com - See How Your Business Is Doing on the most important local directories, search engines and review sites.
https://www.mypresences.com/services - Mypresences.com - Advanced tool to help businesses discover and create presences on 1000+ online services and apps.
https://www.google.com/business/ - Google My Business - Get your business hours, phone number, and directions on Google Search and Maps
Official Webmaster Tools
https://www.google.com/webmasters - Google Webmaster Tools, - Official Webmaster Tools
http://zhanzhang.baidu.com - Baidu Webmaster Tools - Baidu is a leading search engine in China with more than 75% of market share.
http://visual-seo.com - Visual SEO Studio - Technical SEO Auditing, at a glance.
https://www.eebew.com/spider/ - Webbee SEO Spider Tool - Web auditor that crawls and audits your website with respect to major search engine’s guidelines. It gathers meta data, keywords, schema, headings and internal links from HTML and organize them in tabular form for user ease.
https://www.sitecondor.com - Sitecondor.com - The SEO site audit tool for digital marketing experts
https://audisto.com - Audisto.com - Crawler with advanced analytics that measures the structure, performance and implementation quality of your website.
http://seocrawler.co - Seocrawler.co - Analyze page speed, find & remove duplicate title & meta tags, identify duplicate content, check broken links and other valuable on-page data.
http://www.siteliner.com - Siteliner.com - Find duplicate content, broken links, and more.
http://www.oncrawl.com - Oncrawl.com - Web Crawler and Log Analyzer for Enterprise SEO Audits and Daily Monitoring
https://seomator.com - SEOmator - In-depth SEO Analysis and SEO Audit Automation Tool for website optimization professionals and agencies
https://nightwatch.io,Nightwatch.io - Cloud-based search tracker and analytics platform of a new generation.
https://headreach.com - Headreach.com - The fastest way to find targeted leads with real emails and social profiles - Outreach Tools
https://serpbook.com - Serpbook.com - Accurate Rank Tracking Made Easy.
https://search.google.com/structured-data/testing-tool - Google Structured Data Testing Tool
https://developers.google.com/search/docs/data-types/data-type-selector - Introduction to Structured Data Types - This reference section contains all the data types and their properties you'll need in order to mark up your content for inclusion in rich Search results from Google.
https://blog.kissmetrics.com/17-advanced-methods/?ref=contentmarketingstack - Guide: 17 Advanced Methods for Promoting Your New Piece of Content - Often overlooked area of content marketing is content promotion. - Content Marketing|Outreach Tools
https://automateads.com,Automateads.com - Automate Ads offers advertisers end-to-end automation of important daily campaign management tasks such as budget management, creative and target market A/B testing, programmatic bid optimization, keyword sourcing, and ad rotation. - PPC Tools|Social Media
http://sujanpatel.com/pr/pr-pitches - Guide: What I Learned from Receiving 3,751 PR Pitches? by Sujan Patel - Outreach Tools
https://moz.com/followerwonk - Followerwonk - Twitter Analytics: Find, Analyze, and Optimize for Social Growth
http://redditlist.com - Redditlist.com - Your best source for stats on the most popular Reddit subreddits
SERP Analysis Tools
http://mozcast.com - MozCast - MozCast is a weather report showing turbulence in the Google algorithm
http://serpmetrics.com/flux/ - Serpmetrics US SERP Fluctuation
https://algoroo.com - Algoroo.com - Google algorithm tracking tool
http://suite.searchmetrics.com/en/research - Searchmetrics Winners & Loosers - SEO Visibility of the weekly winner and loser Domains.
https://www.rankranger.com/rank-risk-index - Rank Risk Index Google SERP Fluctuations - Rank Risk Index measures SERP fluctuations for 10,000+ domains and keywords
https://www.advancedwebranking.com/cloud/google-algorithm-changes/ - Advancedwebranking.com Google Algorithm Changes - The Google Algorithm Changes tool shows fluctuations in the Google search results.
https://www.serpwoo.com - Serpwoo.com - Monitor ALL Top 100 Results For Your Keywords.
https://contentstudio.io - ContentStudio.io - Content discovery, media monitoring and social media management platform for agencies.
https://buffer.com - Buffer.com - Social media management for marketers and agencies
https://amplifr.com/en - Amplifr.com - Scheduling, publishing and analytics on social media
https://hootsuite.com - Hootsuite - Manage all your social media marketing in one place
http://sproutsocial.com - Sproutsocial - Social Media Management Made Easy
https://socialhub.io/en - Socialhub.io - Social Media Management Platform
http://klear.com - Klear.com - Social intelligence platform that helps brands do smarter marketing
http://www.oktopost.com - Oktopost.com - Easily manage, measure and amplify all of your social media marketing
https://postcron.com/en - Postcron.com - Auto post on Facebook Pages, Facebook Groups, Facebook Events and Profiles, Twitter accounts, LinkedIn Company Pages and Profiles, Google Plus, Pinterest & Instagram, all from one place
https://www.rafflecopter.com - Rafflecopter - Helps to launch and manage a giveaway for any brand, on any website.
http://iqta.gs - IQta.gs - Hashtag Helper
http://www.samdesk.io - Samdesk.io - Content Management System for Social Media UGC Content
https://pablo.buffer.com - Pablo by Buffer - Create beautiful images easily to make your posts pop
http://quuu.co - Quuu.co - Hand-curated content suggestions for social media
https://kuku.io - Kuku.io - Analyze your content and dependencies between social media metrics with social media analytics tools
https://www.socialstatus.io - Socialstatus.io - Automate your social media reporting - Reporting Tools|Social Media
http://peakfeed.com - Peakfeed.com - PeakFeed puts key stats from all your social media profiles into one simple report, automatically delivered to your email inbox every week.
https://repuso.com - Repuso.com - Collect social proof reviews, showcase on your website.
https://drumup.io - Drumup.io - DrumUp discovers and helps you share great content to your social media accounts so you can start meaningful conversations with your followers.
https://unmetric.com - Unmetric.com - Discover branded content on any topic
http://coschedule.com - Coschedule.com - Organize your entire content marketing strategy in one place.
http://www.getmentia.com - Mentia - See what content will work best for you on social media.
https://sumall.com - Sumall.com - Social media reports will help you and your clients drive social media success.
https://swat.io - Swat.io - The Enterprise & Agency Solution for Content Planning, Community Management and Social Customer Service.
https://peakfeed.com/hemlock - peakfeed.com - Hemlock automatically aggregates all the stuff your competitors do online and lets you analyze and explore it through a simple, calendar interface.
https://www.google.com/analytics - Google Analytics - Google Analytics Solutions helps you turn customer insights into real gains.
https://mixpanel.com - Mixpanel - Deeply understand every user's journey with instant insights for everyone on mobile and web.
https://heapanalytics.com,Heapanalytics - Heap automatically captures every user action in your web app and lets you analyze it all retroactively.
https://www.hotjar.com - Hotjar - Easy way to truly understand your web and mobile site visitors.
https://www.paveiq.com/referrer-spam-remover/ - Referrer Spam Remover - Make your Google Analytics data more accurate and reliable by removing referrer spam.
https://raventools.com/marketing-reports/google-analytics/ - Google Analytics Configuration Guide - Easily setup and configure Google Universal Analytics Events and Campaign Variable tracking.
https://piwik.org - Piwik - Open-source analytics platform that gives you more than just powerful analytics
https://www.kissmetrics.com - Kissmetrics - Behavior analytics for driving growth
https://www.crazyegg.com - Crazyegg - How users click and scroll through your website
https://segment.com - Segment.com - Collect all of your customer data and send it anywhere.
https://www.intercom.com/customer-intelligence - Intercom Customer Intelligence - The Intercom Platform shows you who your customers are and what they do in your web app.
https://wordpress.org/plugins/wordpress-seo/ - Yoast SEO - Improve your WordPress SEO: Write better content and have a fully optimized WordPress site
https://wordpress.org/plugins/all-in-one-seo-pack/ - All in One SEO Pack - Optimizes your WordPress blog for SEO
https://wordpress.org/plugins/amp/ - Wordpress AMP - Enable Accelerated Mobile Pages (AMP) on your WordPress site.
https://wordpress.org/plugins/redirection - Redirection - WordPress plugin to manage 301 redirections and keep track of 404 errors
https://yoast.com/wordpress-seo/ - The definitive guide to higher rankings for WordPress sites - Guide by Joost de Valk(creator of Yoast SEO Plugin)
https://www.sitepoint.com/beginners-guide-to-wordpress-seo/ - The Beginner's Guide to WordPress SEO - Guide by Aaron Gray
https://www.freshdrop.com - Freshdrop.com - The World's Largest Domain Marketplace
https://www.expireddomains.net - Expireddomains.net - Deleted Domains or Dropped Domains are available for registration and can be picked up.
https://www.domcop.com/expired-domains - Domcop.com - Buy Expired Domains With Great Metrics
http://www.whoishostingthis.com/blog/2014/11/24/dropped-domains/ - Beginner’s Guide to Dropped Domains - Guide by KeriLynn Engel
https://www.premiumdrops.com - Premiumdrops.com - Analyze millions of active, auction, pre-release, expiring and expired domain names every day and make available domain information that helps find domains worth acquiring.
https://domains-index.com - Domains-index.com - Building web scraper or doing marketing research you face a problem of obtaining domain lists for crawling. We collected and update them regularly for one of our projects and are happy to share. gTLD, ccTLD, and newgTLDs, everything in one place.