The #1 Universal Cheatsheet Site

DRF Cheatsheet

Complete DRF reference.

React Cheatsheet

Comprehensive React reference.

AWS Cheatsheet

AWS cloud services reference.

Kubernetes Cheatsheet

K8s container orchestration reference.

Git Cheatsheet

Complete Git reference.

TypeScript Cheatsheet

TypeScript reference.

Python Cheatsheet

Python reference.

Docker Cheatsheet

Docker reference.

PostgreSQL Cheatsheet

PostgreSQL reference.

Redis Cheatsheet

Redis reference.

Linux Cheatsheet

Linux reference.

GraphQL Cheatsheet

GraphQL reference.

JavaScript Cheatsheet

Complete JavaScript reference — variables, functions, arrays, DOM, ES6+, Web APIs, design patterns & best practices.

Next.js Cheatsheet

Comprehensive Next.js 16 reference — App Router, Server Components, data fetching, middleware, and deployment.

Node.js Cheatsheet

Complete Node.js reference — core modules, file system, HTTP, streams, async patterns, and performance.

Express.js Cheatsheet

Complete Express.js reference — routing, middleware, error handling, authentication, file uploads, and REST patterns.

Tailwind CSS Cheatsheet

Complete Tailwind CSS 4 reference — utility classes, layout, flexbox, grid, spacing, typography, colors, and animations.

HTML5 & CSS3 Cheatsheet

Complete HTML5 & CSS3 reference — elements, forms, selectors, box model, flexbox, grid, animations, and media queries.

Rust Cheatsheet

Comprehensive Rust reference — ownership, borrowing, traits, generics, async, and systems programming.

C++ Cheatsheet

Comprehensive C++ reference — pointers, OOP, STL, templates, smart pointers, move semantics, and modern C++20/23.

Swift & iOS Cheatsheet

Comprehensive Swift & iOS reference — optionals, closures, protocols, SwiftUI, and Swift concurrency.

Flutter & Dart Cheatsheet

Comprehensive Flutter & Dart reference — widgets, layout, navigation, state management, networking, and animations.

DSA Cheatsheet

Comprehensive DSA reference — arrays, linked lists, trees, graphs, sorting, DP, and complexity analysis for coding interviews.

Vim/Neovim Cheatsheet

Complete Vim/Neovim reference — modes, navigation, editing, search, macros, plugins, and key mappings.

Nginx Cheatsheet

Complete Nginx reference — server blocks, reverse proxy, SSL, load balancing, caching, and security.

MongoDB Cheatsheet

Complete MongoDB reference — CRUD, aggregation pipeline, indexes, schema design, replication, and Mongoose.

MySQL Cheatsheet

Complete MySQL reference — data types, CRUD, joins, subqueries, indexes, transactions, and performance tuning.

RabbitMQ Cheatsheet

Complete RabbitMQ reference — exchanges, queues, routing patterns, dead letter queues, clustering, and monitoring.

React Native Cheatsheet

Comprehensive React Native reference — components, styling, navigation, state management, native modules, and performance.

Regex Cheatsheet

Comprehensive regex reference — character classes, quantifiers, anchors, groups, lookaround, flags, and common patterns.

VS Code Cheatsheet

Comprehensive VS Code reference — setup, navigation, multi-cursor editing, extensions, debugging, customization, and remote development.

Emmet Cheatsheet

Comprehensive Emmet reference — HTML/CSS abbreviations, nesting operators, filters, actions, and editor support.

Tmux Cheatsheet

Comprehensive tmux reference — sessions, windows, panes, scripting, plugins, copy mode, and configuration.

Neo4j Cheatsheet

Comprehensive Neo4j reference — graph concepts, Cypher queries, indexes, APOC procedures, and driver integration.

Python Data Science Cheatsheet

Comprehensive Python data science reference — NumPy, Pandas, Matplotlib, Seaborn, data cleaning, and analysis.

HTTP & Web Reference Cheatsheet

Comprehensive HTTP and web reference — methods, status codes, headers, MIME types, HTML entities, ASCII, and URL encoding.

System Design Cheatsheet

Comprehensive system design reference — CAP theorem, scalability, databases, caching, message queues, and case studies.

REST API Design Cheatsheet

Comprehensive REST API design reference — HTTP methods, URL design, status codes, auth, pagination, rate limiting, and OpenAPI.

Cybersecurity & OWASP Cheatsheet

Comprehensive cybersecurity reference — OWASP Top 10, SQL injection, XSS, CSRF, encryption, CORS, CSP, and best practices.

Elasticsearch Cheatsheet

Comprehensive Elasticsearch reference — indexing, search queries, aggregations, mapping, cluster management, and performance.

Terraform & IaC Cheatsheet

Comprehensive Terraform reference — HCL syntax, resources, modules, state management, workspaces, and CI/CD.

GitHub Actions & CI/CD Cheatsheet

Comprehensive GitHub Actions reference — workflows, triggers, jobs, caching, secrets, matrix builds, and reusable workflows.

Java Cheatsheet

Comprehensive Java reference — OOP, collections, exceptions, streams, concurrency, and JVM internals.

Go Cheatsheet

Comprehensive Go reference — types, structs, interfaces, goroutines, channels, error handling, and testing.

AI & Machine Learning Cheatsheet

Comprehensive AI/ML reference covering fundamentals, algorithms, LLMs, prompt engineering, and tools.

Data Science with Python Cheatsheet

Comprehensive data science reference with Python — NumPy, Pandas, visualization, statistics, and model evaluation.

MLOps & Model Deployment Cheatsheet

Comprehensive MLOps reference — pipelines, experiment tracking, model serving, Docker, Kubernetes, and monitoring.

Computer Vision & OpenCV Cheatsheet

Comprehensive computer vision reference — OpenCV, object detection, segmentation, deep learning models, and face detection.

NLP & Text Processing Cheatsheet

Comprehensive NLP reference — preprocessing, tokenization, embeddings, transformers, sentiment analysis, NER, and text generation.

Generative AI & LLM APIs Cheatsheet

Comprehensive GenAI reference — LLMs, prompt engineering, OpenAI API, LangChain, RAG, fine-tuning, agents, and responsible AI.

NCERT Mathematics (Class 6–10)

Complete NCERT Maths revision for Class 6-10 covering all chapters and formulas.

NCERT Mathematics (Class 11–12)

Complete NCERT Maths revision for Class 11-12 with all formulas for boards & competitive exams.

NCERT Science (Class 6–10)

Complete NCERT Science revision for Class 6-10 with all key concepts, formulas and definitions.

NCERT Physics (Class 11–12)

Complete NCERT Physics revision with all derivations and formulas for boards & competitive exams.

NCERT Chemistry (Class 11–12)

Complete NCERT Chemistry revision with all reactions and formulas.

NCERT Biology (Class 11–12)

Complete NCERT Biology revision for NEET and boards.

NCERT Social Science (Class 6–10)

Complete NCERT Social Science revision covering History, Geography, Civics and Economics.

NCERT History (Class 6–12)

Complete NCERT History revision from Ancient India to Modern World for UPSC and boards.

NCERT Geography (Class 6–12)

Complete NCERT Geography revision for UPSC and boards.

NCERT Civics & Polity (Class 6–12)

Complete Indian Polity revision from NCERT for UPSC and boards.

NCERT Economics (Class 9–12)

Complete NCERT Economics revision for UPSC and boards.

NCERT English Grammar (Class 6–12)

Complete English Grammar revision with all rules, tenses, and writing formats.

Finance & Tax Cheatsheet (India)

Complete personal finance & tax guide for India — Income Tax, GST, investments, loans, insurance, banking.

Stock Market & Cryptocurrency Cheatsheet

Comprehensive stock market, mutual fund, IPO, crypto, and personal finance guide for Indian investors.

Finance Calculators — SIP, EMI, Tax & More

10 interactive finance calculators — SIP, EMI, Income Tax, GST, FD, Compound Interest, Loan Eligibility, Retirement & more.

Aptitude & Exam Prep Cheatsheet

Complete aptitude & exam prep guide — quantitative, reasoning, verbal, GK, DI for all competitive exams in India.

Health & Body Cheatsheet

Comprehensive health and wellness guide — nutrition, first aid, common conditions, mental health, fitness, food safety, and health checkups with India-specific content.

Design & Creative Cheatsheet

Complete design & creative reference — color theory, typography, UI/UX principles, layout systems, Figma shortcuts, design tools, iconography, and handoff.

Excel & Office Cheatsheet

Comprehensive Excel & Office reference — formulas, data analysis, shortcuts, Word, PowerPoint, Google Sheets, visualization, and advanced tips.

Cooking & Food Cheatsheet (Indian)

Comprehensive Indian cooking reference — spice guide, measurements, cooking techniques, recipes & ratios, food safety, nutrition, meal planning, and 30+ kitchen hacks.

DIY & Home Cheatsheet

Complete home owner guide — essential tools, plumbing, electrical, painting, maintenance schedules, furniture care, renovation costs, and safety & emergency preparedness.

Parenting & Kids Cheatsheet

Complete parenting guide for Indian parents — child development milestones, vaccination schedule, nutrition, education, child safety, activities, common illnesses, and positive parenting tips.

Travel & Visa Cheatsheet for Indians

Comprehensive travel and visa guide for Indian passport holders — visa-free countries, packing lists, budget tips, Indian destinations, travel documents, safety, and trip planning.

Business, Startup & Legal Cheatsheet (India)

Complete business and legal guide for India — starting a business, MBA concepts, resume/interview tips, marketing, legal, and startup funding.

Language, Grammar & Writing Cheatsheet

Complete language and writing guide — grammar, vocabulary, business/academic/creative writing, competitive exam English, and Hindi basics.

Sports & Fitness Cheatsheet

Complete sports and fitness guide — workout plans, yoga, sports rules, athlete nutrition, running, body measurements, and Indian sports.

Cybersecurity & DevOps Cheatsheet

Complete cybersecurity and DevOps guide — CI/CD, Terraform, OWASP, network/cloud security, API security, and DevOps tools.

AI Agents Cheatsheet

Comprehensive AI agents reference — architectures, tool use, memory, planning, and multi-agent systems.

AI Ethics Cheatsheet

Comprehensive AI ethics reference — bias, fairness, explainability, privacy, and responsible AI frameworks.

Hugging Face Cheatsheet

Comprehensive Hugging Face reference — transformers, tokenizers, datasets, fine-tuning, and deployment.

LangChain Cheatsheet

Comprehensive LangChain reference — chains, agents, RAG, memory, tools, and production deployment.

OpenAI API Cheatsheet

Comprehensive OpenAI API reference — chat completions, assistants, embeddings, vision, and function calling.

Prompt Engineering Cheatsheet

Comprehensive prompt engineering reference — patterns, chain-of-thought, few-shot, evaluation, and advanced strategies.

PyTorch Cheatsheet

Comprehensive PyTorch reference — tensors, autograd, neural networks, training loops, CUDA, and deployment.

Recommendation Systems Cheatsheet

Comprehensive recommendation systems reference — collaborative filtering, matrix factorization, deep learning, and evaluation.

Reinforcement Learning Cheatsheet

Comprehensive reinforcement learning reference — MDPs, Q-Learning, policy gradient, DQN, PPO, and applications.

Stable Diffusion Cheatsheet

Comprehensive Stable Diffusion reference — diffusion models, LoRA, ControlNet, inpainting, and workflows.

TensorFlow Cheatsheet

Comprehensive TensorFlow reference — Keras, tf.data, training, deployment, TFLite, and distributed training.

Time Series Cheatsheet

Comprehensive time series reference — ARIMA, Prophet, LSTMs, transformers, feature engineering, and forecasting.

Agile Cheatsheet

Comprehensive agile reference — Scrum, Kanban, sprints, user stories, ceremonies, and metrics.

Content Marketing Cheatsheet

Comprehensive content marketing reference — strategy, SEO writing, social media, analytics, and distribution.

Digital Marketing Cheatsheet

Comprehensive digital marketing reference — PPC, social ads, funnels, CRO, analytics, and campaigns.

Email Marketing Cheatsheet

Comprehensive email marketing reference — campaigns, segmentation, automation, A/B testing, and deliverability.

Project Management Cheatsheet

Comprehensive project management reference — methodologies, planning, risk management, and PMP preparation.

SEO Cheatsheet

Comprehensive SEO reference — on-page, off-page, technical SEO, keyword research, and analytics.

Social Media Cheatsheet

Comprehensive social media reference — platform strategies, content, engagement, paid campaigns, and analytics.

Startup Cheatsheet

Comprehensive startup reference — ideation, MVP, business models, fundraising, growth hacking, and scaling.

Ansible Cheatsheet

Comprehensive Ansible reference — playbooks, roles, inventories, modules, vault, and automation patterns.

Azure Cheatsheet

Comprehensive Azure reference — VMs, blob storage, Azure AD, ARM templates, AKS, and Azure Functions.

Bash Scripting Cheatsheet

Comprehensive Bash scripting reference — variables, conditionals, loops, functions, text processing, and advanced patterns.

Cassandra Cheatsheet

Comprehensive Cassandra reference — data modeling, CQL, consistency, replication, and cluster management.

C++ Web Development Cheatsheet

Comprehensive C++ web development reference — Drogon, Crow, Boost.Beast, HTTP servers, and REST APIs.

Cypress Cheatsheet

Comprehensive Cypress reference — E2E testing, selectors, assertions, custom commands, intercept, and CI.

Deno Cheatsheet

Comprehensive Deno reference — runtime, TypeScript, permissions, HTTP server, testing, and standard library.

Django Cheatsheet

Comprehensive Django reference — models, views, templates, admin, forms, middleware, and deployment.

.NET Cheatsheet

Comprehensive .NET reference — C#, ASP.NET Core, Entity Framework, DI, middleware, and deployment.

Elixir Cheatsheet

Comprehensive Elixir reference — pattern matching, OTP, Ecto, Phoenix, concurrency, and functional programming.

Firebase Cheatsheet

Comprehensive Firebase reference — Firestore, Auth, Cloud Functions, Hosting, Storage, and Admin SDK.

GCP Cheatsheet

Comprehensive GCP reference — Compute Engine, Cloud Run, BigQuery, Pub/Sub, IAM, and GKE.

gRPC Cheatsheet

Comprehensive gRPC reference — Protobuf, services, streaming, interceptors, deadlines, and error handling.

Haskell Cheatsheet

Comprehensive Haskell reference — type system, pattern matching, monads, typeclasses, and lazy evaluation.

Jenkins Cheatsheet

Comprehensive Jenkins reference — pipelines, shared libraries, agents, plugins, and CI/CD automation.

Jest Cheatsheet

Comprehensive Jest reference — matchers, mocking, snapshots, async testing, React Testing Library, and coverage.

jQuery Cheatsheet

Comprehensive jQuery reference — selectors, DOM manipulation, events, AJAX, effects, and plugin development.

Apache Kafka Cheatsheet

Comprehensive Kafka reference — topics, partitions, producers, consumers, streams, connect, and operations.

Kotlin Cheatsheet

Comprehensive Kotlin reference — syntax, null safety, coroutines, extension functions, and Android development.

Laravel Cheatsheet

Comprehensive Laravel reference — Artisan, Eloquent, Blade, middleware, auth, queues, and Livewire.

Playwright Cheatsheet

Comprehensive Playwright reference — browser automation, selectors, page objects, API testing, and CI.

PowerShell Cheatsheet

Comprehensive PowerShell reference — cmdlets, pipelines, modules, remoting, DSC, and automation scripts.

R Language Cheatsheet

Comprehensive R language reference — data frames, dplyr, ggplot2, statistics, and tidyverse packages.

Ruby on Rails Cheatsheet

Comprehensive Rails reference — MVC, ActiveRecord, routing, controllers, ActiveJob, ActionCable, and testing.

Rust Web Development Cheatsheet

Comprehensive Rust web development reference — Axum, Actix-web, Tokio, middleware, and database integration.

Sass/SCSS Cheatsheet

Comprehensive Sass/SCSS reference — variables, nesting, mixins, functions, extends, and modules.

Scala Cheatsheet

Comprehensive Scala reference — syntax, traits, implicits, collections, futures, Akka, and functional programming.

Selenium Cheatsheet

Comprehensive Selenium reference — WebDriver, locators, waits, page factory, Grid, and framework patterns.

Solidity Cheatsheet

Comprehensive Solidity reference — data types, functions, modifiers, gas optimization, security, and patterns.

Spring Boot Cheatsheet

Comprehensive Spring Boot reference — auto-configuration, MVC, Data JPA, Security, REST APIs, and microservices.

SQL Cheatsheet

Comprehensive SQL reference — queries, joins, subqueries, window functions, CTEs, and database design.

SQLite Cheatsheet

Comprehensive SQLite reference — data types, queries, indexes, triggers, JSON support, and performance.

Svelte Cheatsheet

Comprehensive Svelte reference — reactivity, components, stores, animations, SvelteKit, and lifecycle.

Three.js Cheatsheet

Comprehensive Three.js reference — scene, camera, geometries, materials, lighting, animations, and physics.

Vite Cheatsheet

Comprehensive Vite reference — setup, plugins, HMR, build config, SSR, and framework integration.

Vue.js Cheatsheet

Comprehensive Vue.js reference — Composition API, reactivity, components, Vue Router, Pinia, and Nuxt.

Webpack Cheatsheet

Comprehensive Webpack reference — configuration, loaders, plugins, code splitting, tree shaking, and optimization.

WebSocket Cheatsheet

Comprehensive WebSocket reference — protocol, server setup, client integration, rooms, and scaling patterns.

English Grammar Cheatsheet

Comprehensive English grammar reference — parts of speech, tenses, voice, clauses, punctuation, and common errors.

General Knowledge Cheatsheet

Comprehensive general knowledge reference — geography, history, science, polity, economics, and current affairs.

JEE Cheatsheet

Comprehensive JEE reference — Physics, Chemistry, Math formulas, problem-solving, and exam strategies.

Logical Reasoning Cheatsheet

Comprehensive logical reasoning reference — syllogisms, blood relations, puzzles, series, and analytical reasoning.

NEET Cheatsheet

Comprehensive NEET reference — Biology, Physics, Chemistry key topics, diagrams, mnemonics, and exam strategy.

Quantitative Aptitude Cheatsheet

Comprehensive quantitative aptitude reference — arithmetic, algebra, geometry, data interpretation, and shortcuts.

SSC Cheatsheet

Comprehensive SSC reference — reasoning, quantitative aptitude, English, GK, and exam strategies.

UPSC Cheatsheet

Comprehensive UPSC reference — GS papers, CSAT, current affairs, answer writing, and preparation strategy.

Banking Cheatsheet

Comprehensive banking reference — accounts, loans, interest rates, RBI regulations, and digital banking.

Cryptocurrency Cheatsheet

Comprehensive cryptocurrency reference — blockchain, Bitcoin, Ethereum, DeFi, wallets, trading, and regulations.

Mutual Funds Cheatsheet

Comprehensive mutual funds reference — types, NAV, SIP, expense ratios, risk assessment, and tax implications.

Personal Finance Cheatsheet

Comprehensive personal finance reference — budgeting, saving, investing, insurance, tax, and retirement planning.

Insurance Cheatsheet

Complete insurance reference — types, riders, claims, and tax-saving strategies.

Loans & EMI Cheatsheet

Complete loans and EMI reference — formulas, comparisons, and prepayment strategies.

Gold Investment Cheatsheet

Complete gold investment reference — physical, digital, SGB, ETF, and taxation.

CAT Exam Cheatsheet

Complete CAT exam reference — QA, VARC, DILR sections and preparation strategy.

GATE CS Cheatsheet

Complete GATE CS reference — syllabus, pattern, strategy, and key formulas.

GMAT Cheatsheet

Complete GMAT reference — quant, verbal, IR, AWA, and scoring strategies.

GRE Cheatsheet

Complete GRE reference — verbal, quantitative, writing, vocabulary, and strategy.

Mental Health Cheatsheet

Complete mental health reference — stress, anxiety, mindfulness, therapy, and wellness.

Baking Cheatsheet

Complete baking reference — bread, cakes, cookies, techniques, and conversions.

Budget Travel Cheatsheet

Complete budget travel reference — destinations, packing, saving tips, and itineraries.

Keyboard Shortcuts Cheatsheet

Comprehensive keyboard shortcuts for VS Code, IntelliJ, terminal, Chrome, macOS, Windows, and Git.

Linux Commands Cheatsheet

Detailed Linux command reference — file operations, processes, networking, text processing, and package managers.

Network & DevOps Reference Cheatsheet

Network ports, protocols, DNS, SSL/TLS, Docker Compose, CI/CD, and monitoring reference.

Markdown Cheatsheet

Comprehensive Markdown reference — syntax, formatting, GFM, Mermaid diagrams, and tool comparison.

Gaming & Minecraft Cheatsheet

Comprehensive Minecraft reference — Java & Bedrock controls, crafting, redstone, commands, and server setup.

AWS Certification Cheatsheet

AWS certification prep cheatsheet.

GCP Certification Cheatsheet

GCP certification prep cheatsheet.

DevOps Certification Cheatsheet

DevOps certification prep cheatsheet.

CCNA Cheatsheet

CCNA prep cheatsheet.

Professional Certification Cheatsheet

Professional certification planning cheatsheet.

Design Patterns Cheatsheet

Design patterns quick reference.

NumPy Cheatsheet

NumPy quick reference.

Pandas Cheatsheet

Pandas quick reference.

Matplotlib Cheatsheet

Matplotlib quick reference.

Seaborn Cheatsheet

Seaborn quick reference.

Scikit-Learn Cheatsheet

Scikit-learn quick reference.

Data Engineering Cheatsheet

Data engineering quick reference.

PySpark Cheatsheet

PySpark quick reference.

DevOps Azure Cheatsheet

Azure-focused DevOps quick reference.

DevOps GCP Cheatsheet

GCP-focused DevOps quick reference.

CI/CD Cheatsheet

CI/CD quick reference.

Monitoring Cheatsheet

Monitoring and observability quick reference.

India Govt Schemes Cheatsheet

India government schemes quick reference.

Driving Licence India Cheatsheet

Driving licence process in India.

Car Ownership India Cheatsheet

Car ownership guide for India.

HR India Cheatsheet

HR operations and compliance in India.

LeetCode Patterns Cheatsheet

LeetCode patterns quick reference.

Fashion Style India Cheatsheet

Fashion and personal style reference for India.

Photography Basics Cheatsheet

Photography basics quick reference.

Music Theory Cheatsheet

Music theory quick reference.

Relationship Communication Cheatsheet

Relationship communication quick reference.

Stoicism Philosophy Cheatsheet

Stoicism philosophy quick reference.

Sales Marketing Cheatsheet

Sales and marketing quick reference.

Content Creation Cheatsheet

Content creation quick reference.

Selenium Testing Cheatsheet

Selenium testing quick reference.

Jest Testing Cheatsheet

Jest testing quick reference.

Cypress Testing Cheatsheet

Cypress testing quick reference.

Pytest Cheatsheet

Pytest quick reference.