Here is an Extensive and All-encompassing list of Free Web & SEO resources with links to ease your efforts while building online presence.

Business + Marketing

FREE WEBSITE + LOGO + HOSTING + INVOICING

• HTML5 UP: Responsive HTML5 And CSS3 Site Templates.
• Bootswatch: Free Themes For Bootstrap.
• Templated: A Collection Of 845 Free CSS & HTML5 Site Templates.
• Org| WordPress.Com: Create Your New Website For Free.
• Com Domain: One Free Website For Strikingly.Com Domains.
• Withoomph: Beautiful Logos Designed Instantly.
• Hipster Logo Generator: It’s Hip, It’s Current, It’s Stylish, It’s Hipster.
• Squarespace Free Logo: You Can Download Free Low-Res Version For Free.
• Hive: First Free Unlimited Cloud Service In The World.
• Invoice To Me: Free Invoice Generator.
• Free Invoice Generator: Alternative Free Invoice Generator.
• Slimvoice: Insanely Simple Invoices.

FREE BUSINESS / PROJECT NAME GENERATORS

• The Name App: Find An Available Name For Your Brilliant Idea.
• Naminum: Discover A Perfect Company Name.
• Short Domain Search: Find Short, Available Single-Word Domain Names.
• Wordoid: Pick A Short And Catchy Name For Your Business.
• Hipster Business Name: Hipster Business Name Generator.
• Impossibility: The Best Domain Name Generator Ever.
• Lean Domain Search: Find A Domain Name For Your Website In Seconds.
• Domainr: Fast, Free, Domain Name Search, Short Urls.

WRITING / BLOGGING

• Hemingway: Hemingway App Makes Your Writing Bold And Clear.
• Grammarly: Finds & Corrects Mistakes Of Your Writing.
• Medium: Everyone’s Stories And Ideas.
• Zenpen: The Minimal Writing Tool Of Web.
• Liberio: Simple Ebook Creation And Publishing Right From Google Drive.
• Editorial Calendar: See All Your Posts, Drag & Drop To Manage Your Blog.
• Story Wars: Writing Stories Together.
• Headline Analyzer: Emotional Marketing Value Headline Analyzer.
• WP Hide Post: Control The Visibility Of Items On Your Blog.
• Social Locker: Ask Visitors “To Pay” For Your Content With A Tweet, Etc.
• Egg Timer: Set A Time And Bookmark It For Repeated Use.

FIND (TRENDING) CONTENT (IDEAS)

• Portent: Content Idea Generator.
• Google Trends: A New Way Of Displaying Trending Searches.
• Buzzsumo: Analyze What Content Performs Best For Any Topic Or Competitor.
• Hubspot Blog Topic Generator: Custom Blog Ideas.
• Swayy: Discover The Most Engaging Content. Free For 1 Dashboard User.
• Others: Google+ What’s Hot| Twitter Trending | Quora | Reddit

FREE SEO + WEBSITE ANALYZERS

• Open Site Explorer:  A Comprehensive Tool For Link Analysis.
• Ahrefs: Site Explorer & Backlink Checker.
• Quick Sprout: Complete Analysis Of Your Website.
• WordPress SEO By Yoast: Have A Fully Optimized WordPress Site.
• SEO Site Checkup: Check Your Website’s SEO Problems For Free.
• Hubspot Marketing Grader: Grade Your Marketing.
• Similarweb: Analyze Website Statistics For Any Domain.
• Alexa Ranking: Analytical Insights To Analyze Any Site’s Rank.
• Serps Rank Checker: Free Keyword Rank & SERP Checker.
• Openlinkprofiler: The Freshest Backlinks, For Free.
• Io: Free Alternative To Google Keyword Planner.
• Google: Analytics| Keyword Planner | Webmaster Tools | Trends
• Nibbler: Test Any Website.
• Browseo: How Search Engines See Your Website.
• Broken Links: Find Broken Links, Redirects & More.
• Copyscape: Search For Copies Of Your Page On The Web.
• Woorank: Website Review And SEO Tool.
• Google Pagespeed Insights: Check The Performance Of Your Site.
• Pingdom Website Speed Test: Test & The Load Time Of A Site.
• Gtmetrics: Analyze Your Page’s Speed Performance.
• Moz Local: Check Your Local Listings On Google, Bing, And Others.
• XML Sitemaps: Sitemap Generator That Creates XML & HTML Variants.
• W3C Validator: Easy-To-Use Markup Validation Service.
• Shopify E-Commerce Report: Get Your Free Ecommerce Report.

FREE IMAGE OPTIMIZERS

• Tinyjpg| Tinypng :Compress Images.
• Io: Optimize And Compress Your Images Online.
• Kraken: Optimize Your Images & Accelerate Your Websites.
• Imageoptimizer: Resize, Compress And Optimize Your Image Files.
• Imageoptim: Makes Images Take Up Less Disk Space & Load Faster.
• It: Image Optimizer WordPress Plugin.

FREE IMAGE EDITORS

• Canva: Amazingly Simple Graphic Design For Bloggers.
• Pixlr:  Pixlr Editor Is A Robust Browser Photo Editor.
• Skitch: Get Your Point Across With Fewer Words.
• Ly: Empowers Anyone To Create & Share Powerful Visuals.
• Social Image Resizer Tool: Create Optimized Images For Social Media.
• Placeit: Free Product Mockups & Templates.
• Recite: Turn A Quote Into A Visual Masterpiece.
• Meme Generator: The First Online Meme Generator.

COLLECT & SEND EMAILS FOR FREE

• Contact Form 7: Famous WordPress Plugin To Collect Email Addresses.
• Mailchimp: Send 12,000 Emails To 2,000 Subscribers For Free.
• Manycontactsbar: Free Contact Form Sits On Top Of Your Website.
• Hello Bar: Get More Email Subscribers.
• Sumome List Builder: Collect Email Addresses With Light Box Popover.
• Scroll Triggered Box: Boost Your Conversion Rates — WordPress Only.
• Sumome Scroll Box: Capture More Email Addresses, Politely.

FREE SOCIAL MEDIA + COMMUNITY MANAGEMENT + SURVEYS

• Writerack: The Easiest Way To Blog/Tweetstorm On Twitter.
• Spruce: Make Twitter Ready Images In Seconds.
• Click To Tweet: Get More Shares On Your Content.
• Mytweetlinks: Increases Twitter Traffic.
• Latergram: Easily Plan & Schedule Your Instagram Posts.
• WordPress Pin It Button For Images: Add A “Pin It” Button.
• Sharedcount: Track URL Shares, Likes, Tweets, And More.
• Justunfollow: Follow / Unfollow People On Twitter & Instagram.
• Socialrank: Identify, Organize, And Manage Your Followers On Twitter.
• Klout: Social Media Influence Score On Browser Extension.
• Ritetag: Instant Hashtag Analysis.
• Social Analytics: Interactions For A URL On Most Social Platforms.
• Riffle: Full Profile And Info On Any Twitter User.
• Buffer Free Plan: Schedule Posts To Twitter, Facebook, Linkedin, Google+.
• Bitly: Create, Share, And Track Shortened Links.
• Flament: A Free Beautiful And Customizable Sharing Bar.
• Addthis: Get More Shares, Follows And Conversions.
• Sumome Share: Auto-Optimizes Your Share Buttons For Max Traffic.
• Digg Digg: Your All In One Share Buttons Plugin.
• Disqus: Build A Community Of Active Readers & Commenters.
• Typeform: Free Beautiful Online Survey & Form Builder.
• Tally: Create Polls In No Time.

A/B TESTS & GROWTH HACKING

• Petit Hacks: Acquisition, Retention, & Revenue Hacks Used By Companies.
• Optimizely: One Optimization Platform For Websites And Mobile Apps.
• Hello Bar: Tool For A/B Testing Different Ctas & Power Words.
• Growthhackers: Unlocking Growth. Together.

Design + Code

FREE DESIGN RESOURCES

• Freebbble: High-Quality Design Freebies From Dribbble.
• Dribbble: Dribbble Search Results For “Freebie”. An Absolute Freebie Treasure.
• Graphic Burger: Tasty Design Resources Made With Care For Each Pixel.
• Pixel Buddha: Free And Premium Resources For Professional Community.
• Premium Pixels: Free Stuff For Creative Folk.
• Fribbble: Free PSD Resources By Dribbblers Curated By Gilbert Pellegrom.
• Freebiesbug: Latest Free Psds & Other Resources For Designers.
• 365 Psd: Download A Free Psd Every Day.
• Dbf: Dribbble & Behance Best Design Freebies.
• Marvel: Free Resources From Designers We Love.
• UI Space: High Quality Hand-Crafted Freebies For Awesome People.
• Free Section Of Pixeden: Free Design Resources.
• Free Section Of Creative Market: Freebies Coming Out Every Monday.
• Teehan+Lax: Dios 8 GUI PSD (Iphone 6).
• Teehan+Lax: Ipad GUI PSD.
• Freepik: Ifree Graphic Resources For Everyone.
• Tech&All: PSD, Tech News, And Other Resources For Free.
• Tethr: The Most Beautiful IOS Design KIT Ever.

COLOR PICKERS

• Material Palette: Generate & Export Your Material Design Color Palette.
• New Flat UI Color Picker: Best Flat Colors For UI Design.
• Flat UI Colors: Beautiful Flat Colors.
• Coolors: Super Fast Color Schemes Generator For Cool Designers.
• Skala Color:An Extraordinary Color Picker For Designers And Developers.
• Couleurs: Simple App For Grabbing & Tweaking Colors You See On Screen.
• Material UI Colors: Material Ui Color Palette For Android, Web & Ios.
• Colorful Gradients: Gradients Automatically Created By A Computer.
• Adaptive Backgrounds: Extract Dominant Colours From Images.
• Brand Colors: Colors Used By Famous Brands.
• Paletton: The Color Scheme Designer.
• 0 To 255: A Simple Tool That Helps Web Designers Find Variations Of Any Color.
• Colour Lovers: Create & Share Colors, Palettes, And Patterns.
• Adobe Color CC: Color Combinations From The Kuler Community.
• Bootflat: Perfect Colors For Flat Designs.
• Hex Colorrrs: Hex To RGB Converter.
• Get UI Colors: Get Awesome UI Colors.
• Coleure: Smart Color Picker.
• Colllor: Color Palette Generator.
• Palette For Chrome: Creates A Color Palette From Any Image.
• ColorHexa: Just type any color value in the search field and ColorHexa will offer a detailed description 

INSPIRATION

• Materialup: Daily Material Design Inspiration.
• FLTDSGN: Daily Showcase Of The Best Flat UI Design Websites And Apps.
• Site Inspire: Web Design Inspiration.
• UI Cloud: The Largest User Interface Design Database In The World.
• Moodboard: Build A Beautiful Moodboard And Share The Result.
• Crayon: The Most Comprehensive Collection Of Marketing Designs.
• Land-Book: Product Landing Pages Gallery.
• Ocean: A Community Of Designers Sharing Feedback.
• Dribbble: Show And Tell For Designers.
• Behance: Showcase & Discover Creative Work.
• Pttrns: Mobile User Interface Patterns.
• Flat UI Design: Useful Board I Discovered Thanks To Erik.
• Awwwards: The Awards For Design, Creativity And Innovation.
• The Starter Kit: Curated Resources For Developers And Designers.
• One Page Love: Resource For One Page Website Inspiration.
• UI Parade: User Interface Design Tools And Design Inspiration.
• The Best Designs: The Best Of Web Design.
• Agile Designers: Best Resources For Designers & Developers.
• Niice: A Search Engine With Taste.

FREE STOCK PHOTOGRAPHY

• Freepik: Free Graphic Resources for Everyone
• Stock Up: Best Free Stock Photo Websites In One Place.
• Pexels: Best Free Photos In One Place.
• All The Free Stock: Free Stock Images, Icons, And Videos.
• Unsplash: Free (Do Whatever You Want) High-Resolution Photos.
• Splashbase: Search & Discover Free, Hi Res Photos & Videos.
• Startup Stock Photos: Make Something.
• Jay Mantri: Free Pics. Do Anything (CC0). Make Magic.
• Moveast: This Is A Journey Of A Portuguese Guy Moving East.
• Travel Coffee Book: Sharing Beautiful Travel Moments.
• Designers Pics: Free Photographs For Your Personal & Commercial Use.
• Death To The Stock Photo: Free Photos Sent To You Every Month.
• Foodie’s Feed: Free Food Pictures In Hi-Res.
• Mazwai: Free Creative Commons HD Video Clips & Footages.
• Jéshoots: New Modern Free Photos.
• Super Famous: Photos By Dutch Interaction Designer Folkert Gorter.
• Picography: Free Hi-Resolution Photos.
• Pixabay: Free High Quality Images.
• Magdeleine: A Free High-Resolution Photo Every Day.
• Snapographic: Free Stock Photos For Personal & Commercial Use.
• Little Visuals:7 Hi-Res Images In Your Inbox Every 7 Days.
• Splitshire: Delicious Free Stock Photos.
• New Old Stock: Vintage Photos From The Public Archives.
• Picjumbo: Totally Free Photos.
• Life Of Pix: Free High-Resolution Photos.
• Gratisography: Free High-Resolution Photos.
• Getrefe: Free Photos.
• IM Free: A Curated Collection Of Free Resources.
• Cupcake: A Photographer’s Treat By Jonas Nilsson Lee.
• The Pattern Library: Free Patterns For Your Projects.
• Public Domain Archive: New 100% Free Stock Photos.
• ISO Republic: High-Quality, Free Photos For Creatives.
• Stokpic: Totally Free Photos.
• Kaboompics: The Best Way To Get Free Photos.
• Function: Free Photo Packs.
• MMT: Free Stock Photos By Jeffrey Betts.
• Paul Jarvis: Free High-Resolution Photos.
• Lock & Stock Photos: Free Stock Photos For You.
• Raumrot: Free High-Resolution Picture.
• Bucketlistly: A Free Creative Common Collection Of Travel Photos.
• Some More Websites: Free Digital Photos|Morguefile | Public Domain Pictures | Stockvault | Imagefree | Rgbstock |Dreamstime | Free Images | Free Range Stock | Free Photos Bank.

Some Hand-Picked Some Free Photo Packs:

• → From Free Goodies For Designers: (Here| Here | Here | Here | Here | Here|Here | Here |Here | And Here.),
• → From Deal Jumbo: (Here| Here | Here | Here | Here | Here | Here |Here|Here | And Here.),
• → From Dribbble: (Here| Here | Here | Here | Here | Here | Here |Here |Andhere.),
• → From Graphic Burger: (Here| Here | Here | Here | Here | Here | Andhere.)

FREE TYPOGRAPHY

• Typegenius: Find The Perfect Font Combo For Your Next Project.
• Font Squirrel:100% Free Commercial Fonts.
• Fontfaceninja: Browser Extension To Find The Web Fonts A Site Uses.
• Google Fonts: Free, Open-Source Fonts Optimized For The Web.
• Beautiful Web Type: Best Typefaces From The Google Web Fonts Directory.
• Dafont: Archive Of Freely Downloadable Fonts.
• 1001 Free Fonts: A Huge Selection Of Free Fonts.
• Fontpark: The Web’s Largest Archive Of Free Fonts.
• Font-To-Width: Fit Pieces Of Text Snugly Within Their Containers.

FREE ICONS

• Fontello: Icon Fonts Generator.
• Flat Icon: A Search Engine For 16000+ Glyph Vector Icons.
• Material Design Icons: 750 Free Open-Source Glyphs By Google.
• Font Awesome: The Iconic Font And CSS Toolkit.
• Glyphsearch: Search For Icons From Other Icon Databases.
• Makeappicon: Generate App Icons Of All Sizes With A Click.
• Endless Icons: Free Flat Icons And Creative Stuff.
• Ico Moon: 4000+ Free Vector Icons, Icon Generator.
• The Noun Project: Thousands Of Glyph Icons From Different Artists.
• Perfect Icons: A Social Icon Creation Tool.
• Material Design Icons:750 Free Open-Source Glyphs By Google.
• Icon Finder: Free Icon Section Of The Website.
• Free Round Icons: Doodle Set| Flat Set | Vector Line Set
• Icon Sweets:60 Free Vector Photoshop Icons.

USEFUL STUFF

• UI Names: Generate Random Names For Use In Designs And Mockups.
• UI Faces: Find And Generate Sample Avatars For User Interfaces.
• UI Blurbs: Quick User Bios For Your Mockups.
• Copy Paste Character: Click To Copy.
• Window Resizer: See How It Looks On Various Screen Resolutions.

Work & Productivity

BACKGROUND SOUND TO FOCUS

• Noisli: Background Noise & Color Generator.
• Noizio: Ambient Sound Equalizer For Relax Or Productivity.
• Defonic: Combine The Sounds Of The World Into A Melody.
• Mx: Curated Playlists By Designers, For Designers.
• Coffitivity: Stream The Sounds Of A Coffee Shop At Work.

AVOID DISTRACTION

• Self Control: Mac: Free Application To Help You Avoid Distracting Websites.
• Cold Turkey: Windows: Temporarily Block Yourself Off Of Distracting Websites.

ORGANIZE & COLLABORATE

• Trello: Keeps Track Of Everything.
• Evernote: The Workspace For Your Life’s Work.
• Dropbox: Free Space Up To 2GB.
• Yanado: Tasks Management Inside Gmail.
• Wetransfer: Free Transfer Up To 2GB.
• Io: Free, Fast, Private And Easy Image And File Hosting.
• Pocket: View Later, Put It In Pocket.
• Mailtoself: An Ios Extension To Mail Notes To Yourself From Any App.
• Ly: Discover And Create Great Lists.
• Markticle: Mark Your Reading Progress In Articles For Later.

DIGITAL NOMADS & REMOTE WORKING

• Nomadlist: The Best Cities To Live And Work Remotely.
• Where Nomads At: Find Digital Nomads & Travelers All Around The World.
• Nomad Jobs: The Best Remote Jobs At The Best Startups.
• What’s It Like: Helping Travelers Figure Out WHEN To Go.

Discover & Learn

DISCOVER TOOLS & STARTUPS

• Product Hunt: Curation Of The Best New Products, Every Day.
• Angellist: Where The World Meets Startups.
• Beta List: Discover And Get Early Access To Tomorrow’s Startups.
• St: Find. Follow. Recommend Startups.
• Startups List: Collections Of The Best Startups In Different Places.
• Erli Bird: Where Great New Products Are Born.

BUILD TOGETHER

• Assembly: Co-Create New Ideas No Matter Where They Are.
• Cofounderslab: Find A Co-Founder In Any City, Any Industry.
• Founder2be: Find A Co-Founder For Your Startup.

LEARN

• Skillshare: Unlock Your Creativity With Free Online Classes & Projects.
• Khan Academy: Free, World-Class Education For Anyone, Anywhere.
• Coursera: Free Online Classes From 80+ Top Universities & Organizations.
• Codecademy: Learn To Code Interactively, For Free.
• How To Start A Startup: As An Audio PodcastOr As Online Course
• Startup Notes: Startup School Invites Amazing Founders To Tell Their Story.
• The How: Learn From Entrepreneurs.
• Launch This Year: Guide To Help You Launch Your Online Business.
• Closed Club: Browse Shut-Down Start-Ups & Learn Why They Closed Down.
• Startup Talks: A Curated Collection Of Startup Related Videos.
• Fm: Learn From Successful Entrepreneurs Each Week.
• Io: All Free Programming Learning Resources.

NEWSLETTERS THAT DON’T SUCK

• Email1K:A Free 30 Day Course To Double Your Email List.
• Design For Hackers:12 Weeks Of Design Learning, Right In Your Inbox.
• Startup Digest: Personalized Newsletter For All Things Startup In Your Area.
• Mattermark Daily: Curated Newsletter From Investors & Founders.
• Chargewhatyou’reworth: Free Course On Charging What You’re Worth.
• Product Psychology: Lessons On User Behavior.
• UX Newsletter: Tales Of Researching, Designing, And Building.
• UX Design Weekly: Best User Experience Design Links Every Week.

USEFUL

• Foundrs: Co-Founder Equity Calculator.
• Ad Spend Calculator: Should My Startup Pay To Advertise?
• Howmuchtomakeanapp: Calculate The Cost Of A Mobile Application.
• App Vs. Website: Should You Build An App Or Website?
• Pitcherific:  Pitcherific Helps You Create, Train, And Improve Your Pitch.