Resource Index

The gold standard HTML, CSS, and JavaScript reference. Bookmark this forever.

developer.mozilla.org/en-US/docs/Learn

Free, project-based full-stack curriculum. Best structured free path for web dev.

www.theodinproject.com/foundations

The best JavaScript learning site on the internet. Clear, thorough, modern.

javascript.info

Completely rewritten official docs with interactive examples.

react.dev

Traversy Media, perfect introduction for absolute beginners.

www.youtube.com/watch?v=UB1O30fR-EE

3-hour JavaScript beginner course by freeCodeCamp.

www.youtube.com/watch?v=PkZNo7MFNFg

Complete React course covering hooks, router, and state management.

www.youtube.com/watch?v=bMknfKXIFA8

Real HTML/CSS/JS challenges with professional designs to implement.

www.frontendmentor.io

Learn CSS flexbox interactively by moving frogs.

flexboxfroggy.com

Learn CSS grid layout by watering a garden.

cssgridgarden.com

University of Helsinki free full-stack curriculum. Deep and rigorous.

fullstackopen.com/en

Official Next.js interactive course. Built by Vercel, always up to date.

nextjs.org/learn

Official Tailwind documentation, the fastest way to style anything.

tailwindcss.com/docs

Free online book that builds deep JavaScript understanding.

eloquentjavascript.net

AI-powered UI generation. Describe a component, get React + Tailwind code.

v0.dev

Harvard free web course, Python, Django, SQL, JavaScript.

cs50.harvard.edu/web

The best API framework documentation with excellent examples.

fastapi.tiangolo.com

Complete Node.js and Express course by freeCodeCamp.

www.youtube.com/watch?v=Oe421EPjeBE

Learn PostgreSQL from scratch, tables, queries, joins, and more.

www.youtube.com/watch?v=qw--VYLpxG4

Interactive SQL practice with exercises from beginner to advanced.

sqlzoo.net

Official JWT.io documentation explaining tokens, signing, and usage.

jwt.io/introduction

Learn Docker from ground up, images, containers, Compose.

www.youtube.com/watch?v=fqMOX6JJhGo

Complete FastAPI course for Python backend development.

www.youtube.com/watch?v=0sOvCWFmrtA

Essential guide to SQL database performance and indexing.

use-the-index-luke.com

University of Helsinki, Node, Express, MongoDB, GraphQL.

fullstackopen.com/en

University of Helsinki complete full-stack curriculum. The single best free full-stack course.

fullstackopen.com/en

Complete full-stack curriculum from foundations to NodeJS. All free, project-based.

www.theodinproject.com

Next.js is the premier full-stack React framework.

nextjs.org/docs

Open-source Firebase alternative: auth, PostgreSQL, storage.

supabase.com/docs

Official Stripe docs for payments and subscription billing.

stripe.com/docs

Build a complete MERN stack application with Traversy Media.

www.youtube.com/watch?v=nu_pCVPKzTk

The Python.org tutorial. Use alongside other sources.

docs.python.org/3/tutorial

4.5-hour Python beginner course, the best single video to start with.

www.youtube.com/watch?v=rfscVS0vtbw

Free online book: Python automation for files, PDFs, Excel, emails, web scraping.

automatetheboringstuff.com

High-quality Python tutorials on every topic imaginable.

realpython.com

The best Python YouTube channel. Deep, clear, professional-level content.

www.youtube.com/@coreyms

Complete FastAPI tutorial, routing, auth, databases, deployment.

www.youtube.com/watch?v=0sOvCWFmrtA

Run LLMs at incredible speed. The Groq quickstart for Python developers.

console.groq.com/docs/quickstart

Build AI-powered apps with LangChain, agents, chains, and memory.

python.langchain.com/docs/get_started/introduction

Google's 7-course UX certificate on Coursera. Audit for free. Industry recognized.

www.coursera.org/professional-certificates/google-ux-design

Learn Figma from its creators, the fastest way to get started.

help.figma.com/hc/en-us/categories/360002051613

The world's most respected UX research and writing. Read weekly.

www.nngroup.com/articles

Comprehensive UX courses, many free. Strong theoretical foundation.

www.interaction-design.org/courses

Gary Simon's channel, excellent UI design tutorials and Figma walkthroughs.

www.youtube.com/@DesignCourse

Real app UI patterns from thousands of iOS and Android apps. Best design reference.

mobbin.com

The fastest color palette generator. Pick, adjust, and export in seconds.

coolors.co

Google's complete design system, typography, components, and patterns.

material.io/design

Design community and portfolio platform. Browse for inspiration daily.

dribbble.com

Comprehensive QA course covering manual testing, automation, and tools.

www.youtube.com/watch?v=4ELH9fNMBOQ

The most comprehensive free testing tutorial site. Covers everything.

www.guru99.com/software-testing.html

Modern, recommended test automation tool. Great docs and cross-browser support.

playwright.dev/docs/intro

Official Postman docs and learning paths. Master API testing completely.

learning.postman.com/docs/getting-started/introduction

Frontend test automation with Cypress, the most popular frontend testing tool.

www.youtube.com/watch?v=BQqzfHQkREo

The premier QA community, articles, courses, and a global network of testers.

www.ministryoftesting.com

Load testing with k6, write performance tests in JavaScript.

k6.io/docs

Complete SQL covering everything from SELECT to window functions.

www.youtube.com/watch?v=HXV3zeQKqGY

Interactive SQL practice. The best place to drill queries until they feel natural.

sqlzoo.net

Learn Python Pandas, loading, cleaning, transforming, and analyzing data.

www.youtube.com/watch?v=vmEHCJofslg

Free micro-courses on Python, Pandas, SQL, and data viz. Highly practical.

www.kaggle.com/learn

Master Excel for data analysis, formulas, pivot tables, charts, power query.

www.youtube.com/watch?v=Vl0H-qTclOg

Complete Power BI course, connect data and build interactive reports.

www.youtube.com/watch?v=TmhQCQr_DCA

Thousands of free datasets to practice on. Download and analyze anything.

www.kaggle.com/datasets

Interactive SQL book. Best way to learn SQL for real analytical queries.

selectstarsql.com

Practical deep learning from the top down. One of the best AI courses in existence. Free.

www.fast.ai

The course that introduced millions to machine learning. Audit free on Coursera.

www.coursera.org/specializations/machine-learning-introduction

Free ML courses: intro to ML, intermediate ML, feature engineering, deep learning.

www.kaggle.com/learn

Essential ML statistics textbook. Free PDF. Read alongside coding practice.

www.statlearning.com

Machine learning course covering core algorithms with Python.

www.youtube.com/watch?v=i_LwzRVP7bg

Official PyTorch tutorials, the industry-standard deep learning framework.

pytorch.org/tutorials

Statistics and ML concepts explained visually and clearly. Essential channel.

www.youtube.com/@statquest

Complete Linux course, command line, file system, processes, and scripting.

www.youtube.com/watch?v=j5Zsa_eOXeY

Learn Docker from the ground up, images, containers, volumes, Compose.

www.youtube.com/watch?v=fqMOX6JJhGo

Official GitHub Actions documentation. Learn CI/CD with the most popular tool.

docs.github.com/en/actions

Official Kubernetes tutorials from basics to advanced deployment strategies.

kubernetes.io/docs/tutorials

The best DevOps YouTube channel, Docker, Kubernetes, CI/CD, cloud.

www.youtube.com/@TechWorldwithNana

HashiCorp's official Terraform learning platform, Infrastructure as Code.

learn.hashicorp.com/terraform

Complete AWS cloud fundamentals course for beginners.

www.youtube.com/watch?v=IPvYjXCsTg8

The best beginner cybersecurity platform. Gamified labs and guided paths.

tryhackme.com

Intermediate to advanced hacking labs. The next step after TryHackMe.

www.hackthebox.com

Free world-class web security training from the Burp Suite creators.

portswigger.net/web-security

Google's cybersecurity certificate on Coursera. Audit for free.

www.coursera.org/professional-certificates/google-cybersecurity

Networking and cybersecurity content. Engaging and practical.

www.youtube.com/@NetworkChuck

The definitive list of the 10 most critical web application security risks.

owasp.org/www-project-top-ten

Beginner Capture The Flag challenges. Best place to start practicing.

picoctf.org

The complete React Native documentation, components, APIs, and guides.

reactnative.dev/docs/getting-started

Expo is the easiest way to start React Native development.

docs.expo.dev

Complete React Native course by freeCodeCamp, components to deployment.

www.youtube.com/watch?v=0-S5a0eXPoc

Google's Flutter documentation and getting started guide.

flutter.dev/docs/get-started

Complete Flutter course from zero, widgets, navigation, Firebase, deployment.

www.youtube.com/watch?v=VPvVD8t02U8

Official Firebase docs covering auth, Firestore, storage, and more.

firebase.google.com/docs

Free professional-grade video editing software with official training.

www.blackmagicdesign.com/products/davinciresolve/training

Best DaVinci Resolve YouTube channel. Clear tutorials for all levels.

www.youtube.com/@CaseyFaris

Official Adobe tutorials for Premiere Pro, industry standard for professional editing.

helpx.adobe.com/premiere-pro/tutorials.html

Official CapCut tutorials. Best mobile editing tool for beginners.

www.capcut.com/learn

High-quality free stock video for practice projects and B-roll.

www.pexels.com

AI-powered transcript-based video editing. Edit video like a document.

www.descript.com

The leading YouTube automation channel. Systems, niches, strategy from someone running many channels.

www.youtube.com/@MattPar

Industry-best AI voice generation. Indistinguishable from human narration.

elevenlabs.io

Design thumbnails, channel art, and graphics, free plan is sufficient to start.

www.canva.com

YouTube SEO and keyword research tool. Free tier useful for beginners.

vidiq.com

YouTube channel growth tool, keyword research, A/B thumbnail testing.

tubebuddy.com

Free stock video for B-roll without copyright issues.

www.pexels.com

Google's free digital marketing certification. Covers all major channels.

learndigital.withgoogle.com/digitalgarage

Free marketing certifications on inbound, email, SEO, and social media.

academy.hubspot.com

Free SEO and SEM courses from one of the most respected tools in the industry.

www.semrush.com/academy

The definitive SEO learning resource. Comprehensive and up to date.

moz.com/learn/seo/what-is-seo

High-quality SEO, content, and digital marketing strategy tutorials.

www.youtube.com/@NeilPatel

The best SEO YouTube channel. Practical, well-researched, actionable content.

www.youtube.com/@AhrefsTV

Andrej Karpathy's definitive video explanation of how LLMs work. Watch this first.

www.youtube.com/watch?v=zjkBMFhNj_g

The most comprehensive free prompt engineering reference. All major techniques covered.

www.promptingguide.ai

Free interactive course on prompt engineering from basics to advanced.

learnprompting.org

Free short courses from Andrew Ng on prompt engineering, LangChain, and AI apps.

www.deeplearning.ai/short-courses

Visual, intuitive explanation of how neural networks learn. Beautiful and clear.

www.youtube.com/watch?v=aircAruvnKk

Think critically about AI, bias, fairness, safety, and ethics.

ethics.fast.ai

Official Webflow learning platform. The most complete free no-code web building education.

webflow.com/university

Official Bubble tutorials for building full web apps without code.

bubble.io/learn

Build React-powered websites without code using Framer's visual editor.

framer.com/learn

Official Zapier documentation and tutorials for workflow automation.

zapier.com/learn

Build mobile apps from Google Sheets or Airtable with no code.

www.glideapps.com

Google's free technical writing courses. Pre-course and main course. Essential starting point.

developers.google.com/tech-writing

Community-driven documentation best practices guide. The industry standard reference.

www.writethedocs.org/guide

The 4-type documentation framework: tutorials, how-tos, explanations, and references.

www.divio.com/blog/documentation

Complete reference for Markdown syntax, the format of most technical documentation.

www.markdownguide.org/cheat-sheet

Satoshi's original 9-page paper. Required reading for anyone in this field.

bitcoin.org/bitcoin.pdf

The best official Ethereum learning resource. Comprehensive and regularly updated.

ethereum.org/en/learn

The best Solidity beginner course. Learn by building a game on-chain. Fun and effective.

cryptozombies.io

The most comprehensive free Solidity course. 32 hours covering everything from basics to advanced security.

www.youtube.com/watch?v=umepbfKp5rI

The complete language reference. Bookmark this before you write your first contract.

docs.soliditylang.org

Documentation for Foundry — the modern, faster alternative to Hardhat. Industry is moving here.

book.getfoundry.sh

Battle-tested smart contract libraries used in every serious protocol. Read the source code.

docs.openzeppelin.com/contracts

Smart contract security challenges by OpenZeppelin. Solve real exploit scenarios in a safe environment.

ethernaut.openzeppelin.com

Advanced DeFi exploit challenges used by real auditors to practice. Work through all 18 challenges.

www.damnvulnerabledefi.xyz

The best free smart contract security and auditing curriculum. Built by a top audit firm.

updraft.cyfrin.io

React hooks for Ethereum. The cleanest way to build Web3 UIs in 2025.

wagmi.sh

DeFi concepts explained visually and clearly. Start with AMMs and lending protocols.

www.youtube.com/c/Finematics

Write SQL queries against blockchain data. Build and publish public dashboards. Free.

dune.com

Post-mortems of every major DeFi exploit. Reading these is the most efficient security education available.

rekt.news

Project-based Solidity learning that builds difficulty. Built by the Scaffold-ETH team.

speedrunethereum.com

The world's premier Web3 hackathon series. Compete for large prizes and build your public profile.

ethglobal.com

Competitive smart contract audit platform. Find bugs in real protocols and get paid for valid findings.

code4rena.com

Track TVL, protocol revenue, and stablecoin data across every chain. Free and open source.

defillama.com

The most visual, interactive demonstration of how hashing and blockchains work. Use this in Stage 1.

andersbrownworth.com/blockchain

Full university-level DeFi course. Lectures by researchers and actual protocol founders. Free.

defi-learning.org