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Free Web3 Resources 🚀

This is a list of Free Web3 Resources links to learn Blockchain development.

Start here 👇

🏁 Join the Community: free web3 project on 4C

📝 All Francesco's Twitter posts here

WEB3 FREE RESOURCES

Getting Involved

  • Blockchain Trilemma An article about the Blockchain Trilemma.
  • Endgame An Article by Vitalik Buterin to have an idea of the direction Ethereum is taking.
  • Ethereum Whitepaper Introductory paper published in 2014 by Vitalik Buterin, Ethereum's founder, before the launch in 2015.
  • Ethereum Yellowpaper The "Yellow Paper": Ethereum's formal specification

Web3 Roadmaps (Article / Blog)

Web3 Roadmaps (Video)

Web3 Roadmaps (Hindi/ Urdu)

Blogs

Blockchains

A list of currently active Blockchains projects. Sorted Alphabetically.

  • Algorand Algorand is a blockchain cryptocurrency protocol based on proof of stake and a Byzantine agreement that aims to be scalable.
  • Arbitrum The ideal scaling solution for many Defi apps Arbitrum Rollup can scale any Ethereum contract.
  • Avalanche Avalanche is a decentralized, open-source blockchain with smart contract functionality.
  • Binance Smart Chain BNB, is the blockchain gas token that fuels transactions on BNB Chain.
  • BitCoin Bitcoin is an innovative payment network and a new kind of money.
  • Cardano Cardano is a public blockchain platform. It is open-source and decentralized, with consensus achieved using proof of stake.
  • Celo Celo is global payments infrastructure that makes financial tools accessible to anyone with a mobile phone.
  • Corda Build digital financial solutions quickly on the only private, secure, and scalable DLT platform designed for regulated markets.
  • Cosmos Cosmos is an ever-expanding ecosystem of interconnected apps and services, built for a decentralized future.
  • EOSIO EOSIO is an open-source blockchain platform that helps developers, investors, and businesses build with confidence.
  • Ethereum Ethereum is the community-run technology powering the cryptocurrency ether (ETH) and thousands of decentralized applications.
  • Elrond Elrond is a highly scalable, fast, and secure blockchain platform for distributed apps, enterprise use cases, and the new internet economy.
  • Fantom Fantom is a highly scalable blockchain platform for Defi, crypto dApps, and enterprise applications.
  • Harmony is an open and fast layer-1 blockchain. It is compatible with EVM and Solidity. It supports very low transaction fees. Its native crypto is ONE.
  • Hedera Hashgraph Hashgraph is a distributed ledger technology that has been described as an alternative to blockchains.
  • Hyperledger Fabric Hyperledger Fabric is intended as a foundation for developing apps or solutions with a modular architecture.
  • IBM Blockchain Trusted data exchange and workflow automation beyond the boundaries with distributed ledger and blockchain.
  • Kadena Kadena is a public blockchain that aims to optimize for scalability and features a new smart contract language, dubbed Pact, which comes equipped with formal verification and upgradeable smart contracts.
  • Klaytn Kakao’s global public blockchain project Klaytn is an enterprise-grade, service-centric platform that brings user-friendly blockchain experience to millions.
  • Lightning Network Scalable, Instant Bitcoin/Blockchain Transactions.
  • MultiChain MultiChain helps organizations to build and deploy blockchain applications with speed.
  • Near Through simple, secure, and scalable technology, NEAR empowers millions to invent and explore new experiences.
  • Oasis A privacy-enabled blockchain platform for open finance and a responsible data economy.
  • Optimism Optimism is a low-cost and lightning-fast Ethereum L2 blockchain.
  • Oracle Blockchain Oracle offers easy ways to adopt blockchain technology including a cloud service, an on-premises edition, and a SaaS application for the supply chain.
  • Polkadot Polkadot is an open-source, blockchain platform and cryptocurrency that allows for distributed computing.
  • Polygon Polygon is a decentralized Ethereum scaling platform that enables devs to build scalable user-friendly dApps.
  • Skale SKALE is the first blockchain network fully optimized for Web3 user experience and security.
  • Solana Solana is a decentralized blockchain built to enable scalable, user-friendly apps for the world.
  • Starknet StarkNet is a permissionless decentralized ZK-Rollup. It operates as an L2 network over Ethereum.
  • Stellar Stellar is an open network for storing and moving money.
  • Tezos Tezos is a decentralized blockchain that can execute p2p transactions and serve as a platform for deploying smart contracts.
  • Tron TRON is a decentralized, blockchain-based operating system with smart contract functionality and proof-of-stake consensus.
  • XinFin Enterprise Ready Hybrid Blockchain For Global Trade and Finance.
  • ZkSync zkSync is a ZK rollup solving Ethereum scalability with zero security compromises.
  • Zilliqa Zilliqa is an ERC-20 blockchain with a focus on high transaction throughput. Currently, the Zilliqa blockchain can handle 2,828 transactions per second.

🎭 Identity

  • AlphaWallet AlphaWallet is the only self-custodial wallet, that’s 100% open source.
  • MetaMask MetaMask is a software cryptocurrency wallet used to interact with the Ethereum blockchain.
  • Phantom Phantom makes it safe & easy for you to store, buy, send, receive, swap tokens and collect NFTs on the Solana blockchain.
  • WalletConnect WalletConnect is the web3 standard to connect blockchain wallets to dapps.

💡 Ethereum

Youtube Channels

Youtube Channels [Hindi]

  • Code Eater blockchain focused content on Blockchain development in Hindi
  • Yash Deharia Solidity course in Hindi + English

👨‍💻 Learning Platforms

A list of Blockchain Learning Platforms.

  • LearnWeb3 LearnWeb3 is the best, fastest-growing, and completely free web3 education platform for new and experienced web2 developers.
  • Bankless Academy The Bankless Academy is on a mission to introduce 1 billion people to the exciting possibilities of cryptocurrency, Defi, and beyond.
  • Crypto Zombies CryptoZombies is an interactive school that teaches you all things technical about blockchains. Learn to write smart contracts by making your own crypto-collectibles game.
  • Alchemy University Alchemy University is a 20-week bootcamp with interactive coding challenges, video lessons, projects and expert instructors to teach you to build smart contracts, master solidity and become a web3 developer. Includes Coding Basics [Apply for early access], Web3 dev bootcamp [Apply for early access] & Road to Web3 [Available now!]
  • BlockTrain Long videos with all the information you need to get started in the world of web3 and blockchain for free.
  • Moonbeam This Academy has been designed for devs to learn how to build multi-chain applications on Moonbeam and Moonriver.
  • Dev3 Dev3 enables frontend and mobile devs to build complex, production-ready web3 apps with ease.
  • Metaschool Metaschool is a platform where developers hangout to learn web3 with each other, collaborate on projects, earn NFTs for completing their work, and connect with talented folks building the future of the web!
  • Binance Academy Your one-stop guide to all things crypto. Whether you're a rookie trying to understand mining or a veteran looking to develop a trading strategy.

Ethereum Development IDEs

Ethereum Development Environment

  • Brownie Brownie is a Python-based development and testing framework for smart contracts targeting the Ethereum Virtual Machine.
  • Foundry Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.
  • Hardhat Ethereum development environment for professionals.
  • Truffle A world-class development environment, testing framework, and asset pipeline for blockchains using the Ethereum Virtual Machine (EVM), aiming to make life as a developer easier.
  • Embark The all-in-one developer platform for building and deploying decentralized applications.

Ethereum Development Tools 🛠️

  • Rainbow Dev Kit RainbowKit is a React library that makes it easy to add a wallet connection to your dapp.
  • scaffoldETH Scaffold-eth is everything you need to get started building decentralized applications on Ethereum!
  • WAGMI wagmi.sh is a collection of React Hooks containing everything you need to start working with Ethereum.
  • create-eth-app Create Ethereum-powered apps with one command. Comes with a wide offering of UI frameworks and Defi templates to choose from.
  • hardhat-starter-kit A repo for boilerplate code for testing, deploying, and shipping chainlink solidity code.
  • foundry-starter-kit Foundry Starter Kit is a repo that shows developers how to quickly build, test, and deploy smart contracts with one of the fastest frameworks out there.

👨‍💼 Ethereum Clients

An Ethereum client is the software that allows Ethereum nodes to read the block on the Ethereum network. (more...)

  • Besu An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client
  • Erigon Ethereum implementation on the efficiency frontier
  • Geth Official Go implementation of the Ethereum protocol
  • Nethermind flagship .NET Core Ethereum client for Linux, Windows, and macOS - full and actively developed.

🌐 Ethereum in different languages

Portuguese

  • Web3dev Content and community for web 3 developers in Portuguese.

Chinese

French

  • Ethereum France is the Main website for Ethereum Content, Communities, and Events in French.

German

Hindi

  • Ethereum Hindi Main website for Ethereum Content, Communities, and Events in Hindi

Italian

  • Ethereum Italy Main website for Ethereum Content, Communities, and Events in Italian.

Spanish

Turkish

  • BTK Academy blockchain and cryptocurrency-focused course in Turkish.

Vietnamese

  • Tino Group Ethereum info, wallets, and FAQ in Vietnamese

Client SDKs

  • Ether.js The ethers.js library aims to be a complete and compact library for interacting with the Ethereum Blockchain and its ecosystem.
  • Web3.js Web3.js is a collection of libraries that allow you to interact with a local or remote Ethereum node using HTTP, IPC, or WebSocket.

SDKs

  • Alchemy The Alchemy SDK is the easiest way to connect your dApp to the blockchain.
  • Moralis The Ultimate Web3 Development Platform.
  • thirdweb Smart contracts you control. Tools that accelerate your workflow. Intuitive SDKs and widgets for developers.

Node Providers

Node Providers Twitter Thread

  • Alchemy One magic line of code supercharges your development with the world’s most powerful blockchain developer platform, relied upon by the majority of the world's top blockchain apps.
  • Chainstack From startups to large enterprises, thousands of businesses of all sizes use Chainstack’s software and APIs to build, run, and scale blockchain applications.
  • Infura Suite of high availability APIs and Developer Tools that can provide quick, reliable access to the Ethereum and IPFS networks so you can focus on building and scaling next-generation software.
  • Quicknode Hosted Blockchain Infrastructure as a Service.

📂 File Storage

Decentralized Storage thread

  • Arweave Arweave enables you to store documents and applications forever.
  • Filecoin Filecoin is an open-source, public cryptocurrency and digital payment system intended to be a blockchain-based cooperative digital storage and data retrieval method.
  • IPFS A peer-to-peer hypermedia protocol designed to preserve and grow humanity's knowledge by making the web upgradeable, resilient, and more open.
  • Swarm Swarm is a distributed storage platform and content distribution service, a native base layer service of the Ethereum web3 stack that aims to provide a decentralized and redundant store for dapp code, user data, blockchain, and state data. Swarm sets out to provide various base layer services for web3, including node-to-node messaging, media streaming, decentralized database services, and scalable state-channel infrastructure for decentralized service economies.

Indexing

  • The Graph The Graph is an indexing protocol for querying networks like Ethereum and IPFS.

DAO Communities

  • Buildspace Onboarding devs to web3. Start building cool stuff right now, earn NFTs, and access secret opportunities in crypto.
  • Cadena - Build smart contracts, and dapps, on multiple chains with a community and earn a Cadena NFT Certificate.
  • Developer DAO Build web3 with friends. The new membership is officially open.
  • LearnWeb3DAO Curious about Web3 as a developer? Wonder what are NFTs, DAOs, Defi, and Smart Contracts? This is the place for you!
  • Web3 University Teaching Web3 to 20k+ developers worldwide.
  • WebXDAO An Open Source Community that focuses on decentralized applications, web 3, and blockchain technologies 🚀
  • LabsLumos Global Web3 community
  • Metaschool Metaschool is a platform where developers hangout to learn web3 with each other, collaborate on projects, earn NFTs for completing their work, and connect with talented folks building the future of the web!

SDKs

  • Moralis The Ultimate Web3 Development Platform.
  • thirdweb Smart contracts you control. Tools that accelerate your workflow. Intuitive SDKs and widgets for developers.

Oracles

What is a Blockchain Oracle? Twitter thread

  • Chainlink Chainlink decentralized oracle networks provide tamper-proof inputs, outputs, and computations to support advanced smart contracts on any blockchain.
  • Flux Flux is the trustless data layer for web3. Flux is a cross-chain oracle that provides smart contracts with access to economically secure data feeds on anything.

Off-Chain Data Protocols

  • Ceramic Network Ceramic is a decentralized data network that brings unlimited data composability to Web3 applications.
  • Gun The decentralized distributed graph database engine. GunDB is the Open Source Firebase alternative, a web3 data protocol.

NFT Marketplaces

  • Axie Infinity Axie Marketplace is the online shop for the video game Axie Infinity.
  • Decentraland Decentraland is completely based on fantasy (Metaverse), with pretty much the same functionality as the real world.
  • Looksrare LooksRare is a community-first NFT marketplace with rewards for participating.
  • OpenSea Opensea is the largest NFT marketplace and the one I used to mint my first NFT.
  • Rarible A very large marketplace, partnered with Adobe. To use the marketplace, you need its own token "Rarible"

Oracles

What is a Blockchain Oracle? Twitter thread

  • Chainlink Chainlink decentralized oracle networks provide tamper-proof inputs, outputs, and computations to support advanced smart contracts on any blockchain.
  • Flux Flux is the trustless data layer for web3. Flux is a cross-chain oracle that provides smart contracts with access to economically secure data feeds on anything.

Off-Chain Data Protocols

  • Ceramic Network Ceramic is a decentralized data network that brings unlimited data composability to Web3 applications.

  • Gun The decentralized distributed graph database engine. GunDB is the Open Source Firebase alternative, a web3 data protocol.

  • LearnWeb3 LearnWeb3 is the best, fastest-growing, and completely free web3 education platform for new and experienced web2 developers.

  • Bankless Academy The Bankless Academy is on a mission to introduce 1 billion people to the exciting possibilities of cryptocurrency, Defi, and beyond.

  • Crypto Zombies CryptoZombies is an interactive school that teaches you all things technical about blockchains. Learn to write smart contracts by making your own crypto-collectibles game.

  • The Road To Web3 Road-to-Web3 is a 10-week, self-paced web3 developer program to help new blockchain devs go from beginner to advanced.

Solana

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👨‍💻 Open Source Projects you can contribute to

  • Aelf AElf is a blockchain system aiming to achieve scalability and extensibility through the use of side-chains and a flexible design.
  • Bitcoin It connects to the Bitcoin peer-to-peer network to download and fully validate blocks and transactions.
  • Brownie Brownie is a Python-based development and testing framework for smart contracts targeting the Ethereum Virtual Machine.
  • Blockchain CLI Build a bitcoin wallet, payment processor, or bitcoin merchant portal in javascript.
  • Chainlink Chainlink expands the capabilities of smart contracts by enabling access to real-world data.
  • chia-blockchain Chia is a modern cryptocurrency built from scratch, designed to be efficient, decentralized, and secure.
  • Cicero Cicero allows you to define natural language contract and clause templates that can be executed by a computer.
  • Corda Corda is an open source blockchain project, designed for business from the start.
  • Cosmos ⛓️ A Framework for Building High Value Public Blockchains ✨
  • create-web3-dapp This package includes the global command for Create Web3 DApp.
  • Diem Diem Core implements a decentralized, programmable database which provides a financial infrastructure that can empower billions of people.
  • EIPs The goal of the EIP project is to document standardized protocols for Ethereum clients and applications and to document them in a high-quality and implementable way.
  • Embark Provides Framework for serverless Decentralized Applications using Ethereum, IPFS and other platforms.
  • Enterprise Ethereum Alliance The Enterprise Ethereum Alliance connects Fortune 500 enterprises, startups, academics, and technology vendors with Ethereum subject matter experts.
  • ethers.js A complete Ethereum wallet implementation and utilities in JavaScript (and TypeScript).
  • fabric Hyperledger Fabric is a platform for distributed ledger solutions, underpinned by a modular architecture delivering high degrees of confidentiality, resiliency, flexibility and scalability.
  • Foundry Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.
  • Ganache UI Ganache is your personal blockchain for Ethereum development.
  • go-ethereum It is a Official Go Implementation of the Ethereum protocol.
  • Hardhat Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software. Get Solidity stack traces & console.log.
  • Holochain Scalable framework for P2P distributed apps.
  • Hyperledger Hyperledger Foundation is an open source community focused on developing a suite of stable frameworks, tools and libraries for enterprise-grade blockchain deployments.
  • ipfs A peer-to-peer hypermedia protocol designed to preserve and grow humanity's knowledge by making the web upgradeable, resilient, and more open
  • LBRY This repo contains the UI code that powers the official LBRY desktop app. The LBRY app is a graphical browser for the decentralized content marketplace provided by the LBRY protocol. It is essentially the lbry daemon bundled with a UI using Electron.
  • Lisk Lisk is a blockchain application platform. We make blockchain accessible by creating a world in which everyone benefits from this technology.
  • Metamask MetaMask is a global community of developers and designers dedicated to making the world a better place with blockchain technology.
  • Monero The Monero Research Lab is an open forum where the community coordinates research into Monero cryptography, protocols, fungibility, analysis, and more.
  • Neo Neo is an open-source community driven blockchain platform.
  • Openchain Enterprise-ready Blockchain technology.
  • OpenZeppelin OpenZeppelin provides security products to build, automate, and operate decentralized applications.
  • Quorum GoQuorum is an Ethereum-based distributed ledger protocol with transaction/contract privacy and new consensus mechanisms.
  • RemixProject Remix Project is a rich toolset including Remix IDE, a comprehensive smart contract development tool. The Remix Project also includes Remix Plugin Engine and Remix Libraries which are low-level tools for wider use.
  • Solana Solana is a decentralized blockchain built to enable scalable, user-friendly apps for the world.
  • Solidity Solidity is a statically typed, contract-oriented, high-level language for implementing smart contracts on the Ethereum platform.
  • truffle Truffle is a development environment, testing framework and asset pipeline for Ethereum, aiming to make life as an Ethereum developer easier.
  • Wallet Decentralized human identity without sybils or bots. Built with Kleros and the Ethereum community.
  • Web3j Web3j is a lightweight, highly modular, reactive, type safe Java and Android library for working with Smart Contracts and integrating with clients (nodes) on the Ethereum network.
  • Web3Swift web3swift is an iOS toolbelt for interaction with the Ethereum network.
  • web3.swift Web3.swift is a Swift library for signing transactions and interacting with Smart Contracts in the Ethereum Network.
  • web3.js This is the Ethereum JavaScript API which connects to the Generic JSON-RPC spec.
  • web3.php A php interface for interacting with the Ethereum blockchain and ecosystem.
  • web3.py A Python library for interacting with Ethereum, inspired by web3.js.
  • web3.swift A Swift library for signing transactions and interacting with Smart Contracts in the Ethereum Network.
  • XuperChain XuperChain, the first open source project of XuperChain Lab, introduces a underlying solution to build the super alliance network. Based on the dynamic kernel of xupercore. You can use xuberchain as a blockchain infrastructure to build a compliant blockchain network.
  • Zilliqa Zilliqa is a scalable smart contract platform that aims to tackle the congestion issue plaguing the blockchain industry.

Polygon

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Polygon (formerly MATIC Network) is an Indian blockchain scalability platform. It addresses the challenges faced by Ethereum such as high fees, poor user experience, and low transaction count per second. One of the methods used to address these issues is providing a framework for Proof of Stake transactions.

Resources