KEYBOARD SHORTCUTS CHEAT SHEETS
92 shortcuts for Safari (MacOS) » from: Shortcutworlds
Shortcutworlds' Application Shortcuts » Shortcutworlds' Impressive List of Application Shortcuts (Windows & MacOS)
SEARCH SYNTAX CHEAT SHEETS
DuckBang » DuckDuckGo shortcut (!bang) cheatsheat
DuckDuckGo Search Syntax » search DuckDuckGo smarter.
Refine Google Searches » the simplist referene guide for searching Google smarter; from support.google
Google Supported Operators » from developers.google
MOX - Google Search Operators » the well-trusted Moz.com delivers their 2020 Google search operators.
Bing Search Cheat Sheet » an excellent visualiation of how using operators actually changes your search results. from sidegains.com
Yahoo Search Commands » a no nonsense guide to searching Yahoo. Their website, searchcommands.com, is the only thing you need when researching this topic. from searchcommands.com, "Yahoo is one of the very few search engines which will return results for all the links a domain has (hostdomain:) and restrict results to pages with just meta tags (feature:)."
DEVELOPER & CODING CHEAT SHEETS
Rico's 380+ Cheatsheets » Cheatsheets for developers that includes a vast amount of coding languages and platforms.
John Gardner's 725 Character (Icon) Map » John Gardner's 725 Character (Icon) Map (FREE DOWNLOAD)
Font Awesome Free Icon Cheatsheet » Cheatsheet for adding icons by their code into your application or website.
Font Awesome Pro Icon Cheatsheet » Cheatsheet for over 7,500 icons. Sort into categories.
Daring Fireball: Markdown Syntax (Original) » The original Markdown Syntax Cheatsheet and documentation.
Markdown Cheatsheet » from devhints.io
HTML Cheat Sheet » Digital.com's HTML cheat sheet.
HTML Meta Tags Cheatsheet » from devhints.io
Atom Cheatsheet » from devhints.io
Bootstrap Cheatsheet » from devhints.io
Rubygems Cheatsheet » from devhints.io
Jekyll Cheat Sheet » from CloudCannon Academy
Git Guide - Roger Dudler » no deep shit, just what you need to know!
MISCELLANEOUS CHEAT SHEETS
Date & Time Formats Cheatsheet » from devhints.io
Rubiks Cube Cheatsheet » from devhints.io
Google Webfonts Cheatsheet » from devhints.io
Copyright Licenses Cheatsheet » Copyrights including only MIT, ISC, BSD 2C & BSD 3C.