Cheat Sheets & Snippets
Download free developer cheat sheets for JavaScript, CSS, HTML, and React. Find quick reference guides and code snippets for significantly faster coding.
DevDocs
Fast, offline, and free documentation browser for developers. Search 100+ docs in one web app.
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OverAPI
Collecting all cheat sheets. One of the best cheat sheet repositories.
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Quickref me
A website with a cheat sheet about many popular programming languages
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Awesome-cheatsheets
Cheatsheets for popular programming languages, frameworks and development tools.
(opens in a new tab)Github-cheat-sheet
A collection of cool hidden and not so hidden features of Git and GitHub.
iHateRegex
i Hate Regex is a regex cheat sheet that also explains the commonly used expressions so that you understand it
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Regular Expressions Cheat Sheet
A quick reference guide for regular expressions (regex), including symbols, ranges, grouping, assertions and some sample patterns to get you started.
Devhints.io
Modest collection of cheatsheets
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Htmlreference
Learn by example: htmlreference.io is a free guide to HTML. It features all elements and attributes.
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The Complete HTML Cheat Sheet
The Complete HTML cheat sheet from hostinger
Html Head
A simple guide to HTML <head> elements
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Cssreference.io
A free visual guide to CSS
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CSS Shorthand Properties Cheat Sheet
Shorthand properties can be used to set several properties at once in a single declaration.
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Bem cheatsheet
BEM is a popular naming convention for classes in HTML and CSS. And this is a visualised BEM cheatsheet
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Flex Malven
A flexbox grid cheatsheet to reference when working with flexbox
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Grid by Example
Everything you need to learn CSS Grid Layout
(opens in a new tab)Grid Malven
A css grid cheatsheet to reference when creating a css grid
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CSS Grid Cheat Sheet Illustrated
Detailed grid cheat sheet article. In this article, you can learn just about anything regarding grid.
Basic Javascript Cheat Sheet
Cheet sheat with illustrated instructions
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(opens in a new tab)Detailed Javascript Cheat Sheet
Detailed Javascript Cheat Sheet with examples
Quickref Javascript
A JavaScript cheat sheet with the most important concepts, functions, methods, and more. A complete quick reference for beginners.
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(opens in a new tab)Javascript Questions
From basic to advanced: test how well you know JavaScript, refresh your knowledge a bit, or prepare for your coding interview!
30secondsofcode.org
A wide variety of snippet and article collections for CSS, JavaScript, Python and more.
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React-typescript-cheatsheet
Cheatsheets for experienced React developers getting started with TypeScript
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Others/Tools
Discover essential free developer tools, handy utilities, and productivity resources including code formatters, JSON validators, and regex testers.
Illustrations
Discover free illustration libraries and SVG assets for designers and developers. Download high-quality vector illustrations for web and UI projects.