Free Programming Cheat Sheets: Your Ultimate Resource for Quick References

Free Programming Cheat Sheets: Introduction

In the fast-paced world of programming, having a quick reference guide can be a lifesaver. Enter cheat sheets – condensed, easy-to-follow reference sheets that provide essential information for various programming languages and concepts.

Whether you are a seasoned developer or just starting your programming journey, free programming cheat sheets can significantly boost your productivity and efficiency. In this article, we will explore the benefits of using cheat sheets, how to find them, and the top free resources available.

What are Programming Cheat Sheets?

Cheat sheets are concise and well-organized summaries of programming languages, commands, functions, and concepts. They serve as handy references that programmers can glance at when they need a quick reminder of syntax, algorithms, or coding best practices.

The Advantages of Using Cheat Sheets

Cheat sheets offer several advantages that make them invaluable to programmers:

Time-Saving

With cheat sheets, programmers can quickly find the information they need without combing through lengthy documentation. It saves valuable time during coding sessions.

Improved Productivity

Having quick access to syntax and functions allows developers to stay focused and write code more efficiently.

Reduced Errors

By using cheat sheets, programmers can avoid common mistakes and syntax errors that often occur during coding.

Learning Aid

For beginners, cheat sheets can act as helpful learning aids, aiding them in understanding the language’s fundamentals.

Index

Ansible
APL
Artificial Intelligence
C
C#
C++
Clojure
Dart
Data Science
Data Structures and Algorithms
Docker
Git
Go
GraphQL
HTML and CSS
IDE and editors
Java
JavaScript
- jQuery
- Nest.js
- Next.js
- Nuxt.js
- React.js
- Vue.js
Kotlin
Kubernetes
Language Translations
Machine Learning
Markdown
MATLAB
MongoDB
Octave
Perl
PHP
Python
- Django
- Flask
- Jupyter
- Numpy Pandas
R
Raspberry Pi
Ruby
Rust
Scala
Shell Scripting
Solidity
SpringBoot
SQL
Tensorflow
Terraform
TypeScript
Unit testing
Webpack

Ansible

Ansible Basic Cheat Sheet – Intellipaat (HTML)
Ansible Cheat Sheet – Mrxpalmeiras (HTML)
Ansible Cheat Sheet — A DevOps Quick Start Guide – edureka (HTML, PDF)
Automate your tasks with this Ansible cheat sheet – Opensource (HTML)
How to Use Ansible: A Reference Guide – DigitalOcean (HTML)

APL

A reference card for GNU APL – jpellegrini (PDF)
Cheat Sheets – Dyalog (PDF)
Dyalog APL – Vocabulary – awagga (HTML)
ReferenceCard – Dyalog (PDF)

Artificial Intelligence

What is Artificial Intelligence? IntelligenceReborn (HTML)

C

C Language Cheat Sheet – CodeWithHarry(HTML)
C Reference Card (ANSI) (PDF)
Systems Programming Cheat Sheet (HTML)
The C Cheat Sheet: An Introduction to Programming in C – Andrew Sterian (PDF)

C++

C# Cheat Sheet – Simple Cheat Sheet (HTML)
C# Cheat Sheet – THECODINGGUYS (PDF)
C++ Cheatsheet – CodeWithHarry (HTML)
C++ Quick Reference – Hooman Baradaran (PDF)
MPI Cheat Sheet – SC Education (PDF)
OpenMP 4.0 API C/C++ Syntax Quick Reference Card (PDF)

Clojure

Clojure – Programming-Idioms (HTML)
Clojure Cheatsheet (HTML)

Dart

Dart Cheatsheet – Quickref.me (HTML)
Dart Cheatsheet – Codelabs (HTML)
Dart Cheatsheet – Simplecheatsheet.com (HTML)
Dart Quick Reference – Koenig-media.raywenderlich.com (PDF)

Data Science

Cheatsheets for Data Scientists – Datacamp (PDF)

data-structures-and-algorithms

Docker

Docker Cheat Sheet – Anthony Rioux, Low Orbit Flux (HTML, PDF)
Docker Cheat Sheet – Docker Inc., Solomon Hykes (PDF)
Docker Cheat Sheet – IntelliPaat (HTML, PDF)
Docker Cheat Sheet – Nikko Pedersen, Swiss Army DevOps (HTML, PDF) (:card_file_box: archived)
Docker Cheat Sheet – Will Sargent, et al. (HTML)
Docker Cheat Sheet – Kapeli – Bogdan Popescu (HTML)
Docker Cheat Sheet (:es:) – Cristian Córdova, HelmCode (HTML)
Docker Cheat Sheet (v1) – Gildas Cuisinier, Docker Meetup Luxembourg (PDF)
Docker Cheat Sheet (v2) – Gildas Cuisinier, Docker Meetup Luxembourg (PDF)
Docker Cheatsheet: Docker commands that developers should know – Vishnu Chilamakuru (HTML)
Docker CLI & Dockerfile Cheat Sheet – Bachir Chihani, Rafael Benevides, Red Hat Developers (PDF) (:card_file_box: archived)
Docker CLI cheatsheet – DevHints, Rico Santa Cruz (HTML)
Docker Free Cheatsheet – Denny Zhang (HTML, PDF)
Docker Security Best Practices & Cheat Sheet – Thomas Segura, GitGuardian (HTML, PDF)
Docker Security Cheat Sheet – OWASP Cheat Sheet Series (HTML)
Dockerfile Cheat Sheet – Kapeli – Bogdan Popescu, Halprin (HTML)
Dockerfiles y docker-compose.yml: buenas prácticas (:es:) – Yodra Lopez Herrera, LeanMind (PDF)
The Definitive Docker Cheat Sheet – Aymen EL Amri (HTML)
The Ultimate Docker Cheat Sheet – Sangam Biradar, Collabnix DokerLabs (HTML)

Git

8 Easy Steps to Set Up Multiple GitHub Accounts [cheat sheet included] – Thomas Segura, GitGuardian (HTML, PDF)
Git Cheat Sheet – GitHub (PDF)
Git Cheat Sheet – GitLab (PDF)
Git Cheat Sheet – Jan Krüger (PDF, SVG)
- Git Cheat Sheet (PDF)
- Git Cheat Sheet – extended (PDF)
Git cheat sheet – Atlassian (PDF)
Git Cheat Sheet – Moshfegh Hamedani (PDF)
Git Cheat Sheet (id) – Reyhan Alhafizal (HTML)
Git ściąga (pl) – GitHub (HTML)
GitHub Actions Security Best Practices [cheat sheet included] – Thomas Segura, GitGuardian, C.J. May (HTML, PDF)
GitHub Cheat Sheet – Tim Green (Markdown)

Go

cht.sh Go Cheatsheet (HTML)
Go Cheatsheet – devhints, Rico Santa Cruz (HTML)
Go Dojo Cheatsheet – Golang CheatSheet by golang-dojo (PDF)
Go Handbook – Flavio Copes, The Valley of Code (PDF)
গো | ডেভ সংকেত< – devsonket (HTML)

GraphQL

GraphQL Cheat Sheet – Chuanrong Li (HTML)
GraphQL Cheat Sheet – Jim Manico, Jakub Maćkowski (HTML)
GraphQL Cheat Sheet – Simple Cheat Sheet (HTML)
GraphQL Cheatsheet – devhints, Rico Santa Cruz (HTML)

HTML and CSS

Accessibility CheatSheet – Algonquin Design (HTML)
CSS CheatSheet (HTML)
CSS Cheatsheet – CodeWithHarry (HTML)
CSS Cheatsheet – Stanford (PDF)
CSS Flexbox Cheatsheet – Chris Coyier (HTML)
CSS Grid Cheatsheet – Chris House (HTML)
FLEX: A simple visual cheatsheet for flexbox – Chris Malven (HTML)
GRID: A simple visual cheatsheet for CSS Grid Layout – Chris Malven (HTML)
HTML & CSS Emmet Cheat Sheet – Emmet Documentation (HTML, PDF)
HTML CheatSheet – htmlcheatsheet.com (HTML, PDF)
HTML Cheatsheet – CodeWithHarry (HTML)
SCSS CheatSheet – devhints, Rico Santa Cruz (HTML)
SEO CheatSheet – Algonquin Design (HTML)

IDE and editors

Eclipse Cheat sheet – Cheatography
Editor VI – Guia de Referência (pt) – Aurelio Marinho Jargas (HTML)
GNU Emacs Reference Card – GNU.org (PDF)
Jupyter Notebook Cheat sheet – Datacamp (PDF)
Vim Avançado (pt) – Aurelio Marinho Jargas (HTML)
Vim Básico (pt) – Aurelio Marinho Jargas (HTML)
Vim Cheat Sheet – Allison McKnight (PDF)
Vim Cheatsheet – Devhints, Rico Santa Cruz (HTML)
Vim Médio (pt) – Aurelio Marinho Jargas (HTML)
Visual Studio Code: Keyboard shortcuts for Linux – Visual Studio Code (PDF)
Visual Studio Code: Keyboard shortcuts for macOS – Visual Studio Code (PDF)
Visual Studio Code: Keyboard shortcuts for Windows – Visual Studio Code (PDF)
VSCheatsheet – Nicolas Constantinou (HTML)

Java

Java – Moshfegh Hamedani (PDF)
Java Cheat Sheet – Edureka (HTML)
Java Cheatsheet – CodeWithHarry (HTML)
Java Programming Cheatsheet – Robert Sedgewick and Kevin Wayne (HTML)

React.js

React Cheatsheet – Codecademy (HTML)
React.js Cheatsheet – Devhints.io (HTML)
Ultimate React.js Cheat Sheet – Upmostly.com (HTML)

Vue.js

Vue 3 Cheatsheet for Developers – LearnVue (PDF)
Vue Essential Cheatsheet – Vue Mastery (PDF)
Vue.js 2.3 Complete API Cheat Sheet – Marcos Neves, Marozed (HTML)

Kotlin

Kotlin Cheatsheet and Quick Reference – Ray Wenderlich (PDF)

Kubernetes

Handy Cheat Sheet for Kubernetes Beginners – Kubernetes Documentation: kubectl Cheat Sheet (HTML)
Kubernetes Cheat Sheet – Nick Chase (HTML)
Kubernetes Cheat Sheet – 15 Kubectl Commands & Objects – Spacelift (HTML)

Language Translations

Swift and C# Quick Reference – Language Equivalents and Code Examples – Globalnerdy (PDF)

Machine Learning

Machine Learning Cheat Sheet – DataCamp Team (HTML)
Super VIP Cheatsheet: Machine Learning – Afshine Amidi and Shervine Amidi (PDF)

Markdown

Markdown Cheat Sheet – Markdown Guide (HTML)
Markdown Here – Adam Pritchard (HTML)

MATLAB

MATLAB Basic Functions Reference Sheet – MathWorks (PDF)
Matlab Cheat Sheet – Thor Nielsen (PDF)
Matlab Cheat Sheet (PDF)

MongoDB

All MongoDb commands you will ever need (MongoDb Cheatsheet) – CodeWithHarry (HTML)
MongoDB Cheat Sheet – MongoDB (HTML)
MongoDB Cheat Sheet – codecentric (PDF)
Quick Cheat Sheet for Mongo DB Shell commands – Michael Treat’s Quick Cheat Sheet (GitHub Gist)

Octave

Octave Cheat Sheet – John W. Eaton (PDF)

Perl

Perl Cheat Sheet – Hitesh J (HTML)
Perl Reference card (PDF)

PyTorch

PyTorch Framework Cheat Sheet – Simon Wenkel (PDF)
PyTorch Official Cheat Sheet – PyTorch (HTML)

PHP

PHP Cheat Sheet – CodeWithHarry (HTML)
PHP Cheat Sheet – Nick Schäferhoff, WebsiteSetup (HTML, PDF)
PHP Cheat Sheet – 2021 Edition – Zsolt Nagy (HTML)

Python

Comprehensive Python Cheat Sheet for Beginners – Rishi Sidhu, Medium (HTML)
Comprehensive Python Cheatsheet – Jure Šorn (HTML)
Numpy Pandas Cheat Sheet – Kaggle (HTML)
Official Matplotlib cheat sheets – Matplotlib.org (LaTeX, PDF)
Python Cheat Sheet – WebsiteSetup (HTML, PDF, PNG)
Python Cheatsheet for beginners – Codeacademy (HTML)
Python Crash Course Cheatsheet – Eric Matthes (HTML)
Python Crash Course Cheatsheet (2nd Edition) – Eric Matthes (PDF)
Python Data Wrangling with pandas – Pandas (PDF)
Python for Data Science – A Cheat Sheet for Beginners – DataCamp (PDF)
Python Regex Cheatsheet – Debuggex (HTML)
Python WorldWide Cheatsheet – Cheatography (Python)
Scapy Cheat Sheet – Jeremy Stretch (PDF)

Django

All in one Cheatsheet of Django – Olivier R. (PDF)
Django Quick Reference – Code with Harry (HTML)
Django Web App Beginners Cheat sheet – Jaysha (HTML)
(Python + Django) Cheatsheet – Eric The Coder (HTML)

Flask

Flask Cheat Sheet – Code Insight Academy (HTML)
Flask Cheatsheet – Code with Harry (HTML)

Jupyter

Jupyter Cheatsheet – Data Camp (HTML site with PDF links)

Numpy Pandas

Pandas, Numpy, Python Cheatsheet – Kaggle (HTML)

R

All RStudio cheatsheets resources – RStudio.com (HTML site with PDF links)
Base R Cheatsheet – Mhairi McNeill (PDF)
Cheat Sheet for R and RStudio – L. Jason Anastasopoulos (PDF)
Colors in R – Ying Wei (PDF)
R color cheatsheet – Melanie Frazier (PDF)

Raspberry Pi

Basic GPIO layout configuration cheatsheet – University of Cambridge Computer Laboratory Raspberry Pi Projects Cheatsheet (PDF)
Other Raspberry Pi Commands cheatsheet – RPi starter Kit (PDF)
Raspberry Pi Basics cheatsheet – Woolsey Workshop (PDF)
Raspberry Pi Different GPIO Configuration Combinations cheatsheet – GPIO Zero Cheatsheet (PDF)
Top 50 General Commands for Raspberry Pi cheatsheet – Projects Raspberry (PDF)

Ruby

Ruby Cheat Sheet – CodeConquest.com (PDF)
Ruby monstas Ruby cheat sheet – rubymonstas.ch (PDF)
Ruby Reference Sheet – Musa Alhassy (PDF)

Rust

Rust cheatsheet – QuickRef.ME (HTML)
Rust Language Cheat Sheet (HTML)

Scala

Scala Cheat Sheet – Waris RADJI (HTML)
Scala Cheatsheet – Alvin Alexander (PDF)

Shell Scripting

Bash Cheatsheet – CheatSheet.Wtf – smokingcuke (HTML)
Bash Scripting cheatsheet Devhints (HTML)
Cron Cheatsheet – DevHints, Rico Santa Cruz (HTML)
Fish Shell cheatsheet – DevHints, Rico Santa Cruz (HTML)

Solidity

Solidity Cheat Sheet – IntelliPaat (PDF)
Solidity Cheatsheet and Best practices – Manoj Ramesh (HTML)

SpringBoot

Spring Boot Cheatsheet – JRebel

SQL

MySQL Cheatsheet – Database Star (PDF)
PostgreSQL Cheatsheet – Database Star (PDF)
SQL Cheat Sheet – Dataquest.io (PDF)
SQL Cheat Sheet by Tomi Mester – Tomi Mester (PDF)

TensorFlow

DeepLearning- Keras & TF Cheat Sheet – Chester Hsieh, Cheatography (PDF) (:construction: in process)
TensorFlow Quick Reference Table – Secret data scientist (HTML)
TensorFlow v2.0 Cheat Sheet – Altoros (PDF) (:card_file_box: archived)

Terraform

Terraform Cheat Sheet – Gineesh Madapparambath (HTML)
Terraform Cheatsheet – Eric Pulsifer (HTML)

TypeScript

TypeScript Cheat Sheet – Robert Molina (HTML)

Unit testing

Chai CheatSheet – devhints, Rico Santa Cruz (HTML)
Cypress CheatSheet – aiqbal (HTML)
Enzyme CheatSheet – devhints, Rico Santa Cruz (HTML)
Jasmine CheatSheet – devhints, Rico Santa Cruz (HTML)
Jest CheatSheet – devhints, Rico Santa Cruz (HTML)
React Testing Library CheatSheet – Kent C. Dodds, et al. (HTML)
What is Unit testing – Thomas Hamilton (HTML)

Webpack

Webpack cheatsheet – devhints, Rico Santa Cruz (HTML)