Contents

• Resources
  • Official
  • Tutorials
  • Articles
  • Security
    • Audits
  • Examples
    • Educational
    • Deployed on Ethereum Mainnet
  • Templates
  • Books
  • Practice
  • Jobs
• Libraries
• Tools
  • General
  • Utility
  • Audit
  • DevOps
• Languages
  • JavaScript
  • TypeScript
  • Rust
  • OCaml
• Editor Plugins
  • Eclipse
  • Emacs
  • IntelliJ
  • Sublime
  • Vim
  • Visual Studio Code
• License

Resources

Official

• Cheatsheet - Cheat sheet from the official docs.
• Docs - Official documentation.
• Ethereum Stack Exchange - Ethereum's Stack Exchange board.
• ethereum/solc-bin - Current and historical builds of the compiler.
• ethereum/solidity - Source code.

Tutorials

• buildspace.so - Hands-on Web3 course for beginners. Free, with an NFT on completion.
• cryptodevhub.io - Community-driven effort to unite people interested in blockchain and crypto technologies.
• CryptoZombies - Interactive code school that teaches you to write smart contracts through building your own crypto-collectibles game.
• Discover Ethereum & Solidity (ludu.co) - Complete course that walks through building a decentralized Twitter clone using best practices.
• ExtropyIO/defi-bot - Tutorial for building DeFi arbitrage bots.
• LearnXInY - Learn the language in 15 minutes (for experienced developers).
• manojpramesh/solidity-cheatsheet - Cheat sheet and best practices.
• nishuzumi/Web3-Enterprise-level-engineering - Web3 Enterprise Engineering Writing Specification Tutorial [Chinese Language - 中文版].
• Questbook - University DAO offering free crypto-dev courses by leading developers.
• Solidity and Vyper cheat sheet - Review both languages side by side.
• topmonks/solidity_quick_ref - Syntax overview.
• useweb3.xyz/tutorials - Curated list of free community tutorials built around specific projects, tasks, and challenges.
• willitscale/learning-solidity - Complete guide to getting started, creating your own crypto, ICOs, and deployment.
• WTF Ethers - Open-source, community-reviewed Ethers.js tutorial in Chinese covering intro and advanced topics [Chinese Language - 中文版].
• WTF Solidity - Open-source, community-reviewed tutorial in Chinese and English covering intro, advanced, and application topics.

Articles

• Best Practices for Smart Contract Development (yos.io, Yos Riady, 2019) - Developer handbook for smart contract developers.
• How to create an ERC20 Token and a Solidity Vendor Contract (medium.com, Emanuele Ricci, 2021) - Create your own ERC20 token and a vendor contract to handle the sell and buy process.
• soliditydeveloper.com/blog - Concepts, guides, design patterns, and more.
• The Complete Guide to Full Stack Ethereum Development (dev.to, Nader Dabit, 2021) - Build full-stack dApps with React, Ethers.js, contracts, and Hardhat.

Security

• Capture the Ether - Game for hacking Ethereum smart contracts and learning security.
• Crypto-Virus/cream-finance-exploit-example - Example implementation of the Cream Finance flashloan exploit.
• crytic/awesome-ethereum-security - Curated list of Ethereum security references, guidance, tools, and more.
• crytic/building-secure-contracts - Guidelines and training material for writing secure smart contracts.
• d-xo/weird-erc20 - Minimal example implementations of ERC20 tokens with surprising/unexpected behaviour.
• Ethereum Smart Contract Security Best Practices (Consensys) - General security philosophy, known attacks, and sample code.
• OriginProtocol/security - Materials related to security: docs, checklists, processes.
• Rari-Capital/security-checklist - Opinionated security and code quality checklist for smart contracts.
• SecDim - Online edutainment platform with real-world smart contract security content and AppSec games.
• sigp/solidity-security-blog - Comprehensive list of known attack vectors and common anti-patterns.
• SunWeb3Sec/DeFiHackLabs - Reproduce DeFi hack incidents using Foundry.

Audits

• Arbitrary Execution - Public security audits by the Arbitrary Execution Team.
• Code4rena - Auditors compete to identify and eliminate high-severity bugs before production.
• Consensys Diligence - Public security audits by the Consensys Diligence Team.
• Hacken - Public security audits by the Hacken Team.
• Immunefi - Bug bounty platform focused on blockchain and smart contract security.
• MixBytes - Public security audits by the MixBytes Team.
• OpenZeppelin - Public security audits by the OpenZeppelin Security Team.
• SpearbitDAO - Public security audits by the SpearbitDAO Team.
• Trail of Bits - Public security audits by the Trail of Bits Team.

Examples

Educational

• alephao/solidity-benchmarks - Benchmarks of popular implementations of ERC standards.
• cyrusadkisson/solidity-baby-steps - Comprehensive collection of contract examples.
• flashbots/simple-arbitrage - Example arbitrage bot using Flashbots.
• fravoll/solidity-patterns - Collection of patterns and best practices for smart contract development.
• kauri.io - Archive of kauri community's content created with the goal to foster the spread of Ethereum development knowledge far and wide.
• libevm/subway - Practical example of how to perform sandwich attacks on Ethereum.
• lsaether/bonding-curves - Smart contracts for bonding curves (aka curve bonded tokens).
• m1guelpf/lil-web3 - Simple, intentionally-limited versions of web3 protocols & apps.
• pedrobergamini/flashloaner-contract - Smart contracts that operate arbitrages between Sushiswap and Uniswap.
• raineorshine/solidity-by-example - Collection of short yet fully functional contracts that demonstrate language features.
• Solidity By Example - Introduction to the language with simple examples.
• useWeb3 - Learn web3 development - Curated overview of the best and latest Ethereum and Web3 development resources.
• WTF Academy - Web3 Open Academy - DApp for learning smart contract development with quizzes and certificates [Chinese Language - 中文版].

Deployed on Ethereum Mainnet

• andrecronje/rarity - D20srd reference implementation.
• axieinfinity/ronin-smart-contracts - Axie Infinity Ronin contracts.
• bancorprotocol/contract-solidity - Bancor Protocol contracts.
• compound-finance/compound-protocol - Compound Protocol contracts.
• dharma-eng/dharma-smart-wallet - Smart wallet for earning interest on stablecoins while retaining custody of funds, with an added security backstop provided by Dharma Labs.
• ensdomains/ens-contracts - Ethereum Name Service (ENS) contracts.
• graphprotocol/contracts - Graph Protocol Contracts.
• OlympusDAO/olympus-contracts - OlympusDAO contracts.
• smartcontractkit/LinkToken - LINK token contracts for the Chainlink Network.
• sushiswap/sushiswap - Sushiswap smart contracts.
• trusttoken/smart-contracts - TrustToken smart contracts.
• Uniswap/uniswap-v3-core - Core smart contracts of Uniswap v3.
• wyvernprotocol/wyvern-v3 - Core smart contracts for Wyvern v3, a decentralized digital asset exchange protocol.

Templates

• ethereum-boilerplate/ethereum-boilerplate - React components and hooks to build dApps fast without running your own backend.
• paulrberg/solidity-template - GitHub template for writing contracts with Hardhat, TypeChain, Ethers, Waffle, Solhint, Solcover, and a Prettier plugin.
• rhlsthrm/typescript-solidity-dev-starter-kit - Starter kit for developing, testing, and deploying smart contracts with a full TypeScript environment.
• scaffold-eth/scaffold-eth-2 - Forkable Ethereum dev stack for building dApps, with a Next.js frontend, wagmi hooks and reusable web3 components.
• tomhirst/solidity-nextjs-starter - Full-stack dApp starter built with Next.js (React).
• transmissions11/foundry-template - Streamlined template for getting started with Foundry.
• wighawag/template-ethereum-contracts - Template to develop smart contracts.
• ZumZoom/solidity-template - Hardhat template with preconfigured GitHub Actions and Coveralls support.

Books

• Blockchain in Action - Book that teaches the essential principles of blockchain and how to create your own decentralized apps.
• Mastering Ethereum - Mastering Ethereum is a book for developers, offering a guide to the operation and use of the Ethereum, Ethereum Classic, RootStock (RSK) and other compatible EVM-based open blockchains.

Practice

• OpenZeppelin/damn-vulnerable-defi - Set of challenges to hack DeFi implementations on Ethereum.
• OpenZeppelin/ethernaut - Web3 wargame played in the Ethereum Virtual Machine. Each level is a smart contract that needs to be 'hacked'.
• Solidity-Challenges - Offers a wide range of challenges, from language-specific tasks to exploit-focused scenarios. Contributors are welcome to add new challenges.

Jobs

• aworker.io - Job board for blockchain and cryptocurrency jobs.
• cryptocurrencyjobs.co - Job board for blockchain and cryptocurrency jobs.
• cryptojobslist.com - Job board for blockchain and cryptocurrency jobs.
• web3.career - Job board for blockchain and cryptocurrency jobs.
• web3vacancy.com - Crypto & Web3 job board for builders and crypto teams.

Libraries

• 0age/AttributeRegistry - ERC-1616 Attribute Registry standard interface, tests, and implementation.
• 0age/HomeWork - Autonomous utility for finding, sharing, and reusing home addresses for contracts.
• 0age/Spawner - Spawn EIP 1167 minimal proxies with an included initialization step during contract creation.
• 0xcert/ethereum-erc721 - Non-fungible token implementation for Ethereum-based blockchains.
• alexvansande/ENSTools - Set of contracts that extends ENS functionality to other smart contracts.
• Anchor - Framework used with Solang for Solana projects.
• Arachnid/solidity-stringutils - Basic string utilities.
• dapphub/dappsys - Contract system framework for flexible multi-contract dapps.
• dmihal/hardhat-interface-generator - Hardhat plugin to automatically generate interfaces from code.
• EthWorks/Waffle - Library for writing and testing smart contracts.
• hifi-finance/prb-math - Smart contract library for advanced fixed-point math.
• ItsNickBarry/hardhat-abi-exporter - Export contract ABIs on compilation via Hardhat.
• maple-labs/erc-20 - Maple implementation of the ERC-20 standard.
• mattdf/RingCrypto - Ring signature related implementations for Ethereum.
• mds1/solidity-trigonometry - Library with basic trigonometry functions.
• MerkleBlue/defimath - Gas-optimized library for DeFi math: Black-Scholes pricing, Greeks, interest rates, and statistics.
• Modular Libraries - Deployed utility libraries to use in your smart contracts.
• mzhu25/sol2string - LibUintToString library for efficiently converting uint256 values to strings.
• NTA-Capital/SolMATe - Libraries for floating-point matrix manipulation, linear algebra operations, and vector math.
• OpenZeppelin/openzeppelin-contracts - Library for secure smart contract development.
• OpenZeppelin/openzeppelin-contracts-upgradeable - Upgradeable variant of OpenZeppelin Contracts, meant for use in upgradeable contracts.
• optionality/clone-factory - Simple clone contract factory. Install a master copy of a contract, then easily (cheaply) create clones with separate state.
• partylikeits1983/num_complex_solidity - Smart contract library for handling complex numbers.
• pcaversaccio/xdeployer - Hardhat plugin to deploy your smart contracts across multiple EVM chains with the same deterministic address.
• rugpullindex/indexed-sparse-merkle-tree - Dapptools-ready and gas-optimized implementation of a sparse merkle tree.
• Smart Contracts Skeleton - Preconfigured skeleton repository for getting started with smart contract development.
• Solidity Standard Library - Standard library with array, random, math, and string helpers.
• solidstate-network/solidstate-solidity - Upgradeable-first smart contract development library.
• studydefi/money-legos - NPM package providing mainnet addresses, ABIs, and interfaces for popular DeFi protocols.
• Unicode Ethereum Project - Libraries and contracts for Unicode data, algorithms, and utilities.
• Uniswap/uniswap-v2-periphery - Peripheral smart contracts for interacting with Uniswap V2.
• Uniswap/uniswap-v3-periphery - Peripheral smart contracts for interacting with Uniswap V3.
• Vectorized/solady - Gas-optimized smart contract snippets.
• wbobeirne/eth-balance-checker - Smart contract and library pair that allows you to check for multiple ERC20 and Ether balances across multiple addresses in a single RPC call.

Tools

General

• alloy-rs/core - High-performance Ethereum primitives and library written in Rust for EVM development.
• Anish-Agnihotri/MultiFaucet - MultiFaucet drips ETH, tokens, and NFTs across many testnet networks, at once.
• ChainBench/OpenChainBench - Continuous benchmarks for RPC provider latency, stale-state probability, and L1/L2 finality across 20+ EVM chains. Useful for infrastructure selection and integration testing.
• dapp-scratch - CLI for generating JavaScript modules from contracts for decentralized apps.
• dapphub/dapptools - Command-line-friendly tools for blockchain development.
• dethcrypto/ethereum-code-viewer - View the source of deployed Ethereum contracts in VS Code.
• eagr/sol-repl - Lightweight, feature-rich REPL for instant feedback.
• EthereumStudio - Standalone desktop IDE.
• foundry-rs/foundry - Blazing fast, portable and modular toolkit for Ethereum application development written in Rust.
• Hardhat - Development environment to compile, deploy, test, and debug your Ethereum software.
• instant-dapp-ide - Complete dApp development environment as a Docker image you can run from the command line.
• Laika - Make requests to smart contracts without the hassle of writing a single line of code.
• lfglabs-dev/verity - Lean 4 framework for specifying and proving smart contract properties, with EVM-oriented output.
• naddison36/sol2uml - Unified Modeling Language (UML) class diagram generator for smart contracts.
• OpenZeppelin - Framework to build secure smart contracts.
• raineorshine/solidity-repl - REPL CLI.
• Remix - Online real-time compiler and runtime.
• SIF - Code generation from the AST, analyze and instrument source code.
• Smart Contract Sanctuary - Home for Ethereum smart contracts, with verified contracts from Etherscan.
• sol-merger - Merge all imports into a single file for contracts.
• solgraph - Visualize control flows for smart contract security analysis.
• solidity-docgen - Documentation generator for smart contract projects.
• Sourcify - Decentralized and open-sourced smart contract verification service.
• Tenderly - Easily monitor your smart contracts with error tracking, alerting, performance metrics, and detailed contract analytics.
• Testnet Faucets - Directory of testnet faucets across 40+ networks, health-checked daily and verified on-chain, with a free JSON API.
• tintinweb/solidity-shell - Interactive shell with lightweight session recording.
• weiroll/weiroll - Simple and efficient operation-chaining/scripting language for the EVM.

Utility

• Aniket-Engg/sol-profiler - CLI tool to list and store smart contract method attributes.
• Aniket-Engg/sol-verifier - Verify smart contracts on Etherscan.
• cleanunicorn/abi2signature - Use the ABI of a smart contract to find out the function signatures.
• crytic/solc-select - CLI to quickly switch between compiler versions.
• DiverseSolutions/Diverse-Eth-Calculator - Website with Ethereum unit conversion & utility components.
• duaraghav8/Ethlint - Linter to identify and fix style & security issues in smart contracts.
• formo/address-checksum - Validate and convert Ethereum and EVM addresses to EIP-55 checksum format.
• formo/builder-codes - Encode, decode, and validate ERC-8021 builder codes for onchain transaction attribution.
• formo/calldata-decoder - Decode Ethereum and EVM transaction calldata into readable function calls, selectors, and parameters.
• formo/siwe - Create and inspect EIP-4361 SIWE messages for wallet-based authentication.
• ItsNickBarry/hardhat-contract-sizer - Output contract sizes with Hardhat.
• prettier-solidity/prettier-plugin-solidity - Prettier plugin for automatically formatting your code.
• protofire/solhint - Linter that provides security, style guide, and best practice rules for smart contract validation.
• sambacha/prettier-config-solidity - Prettier config optimized to reduce AST churn and conform to the language spec.
• sc-forks/solidity-coverage - Code coverage tool.
• Tenderly/tenderly-cli - Speed up your development with error stack traces.
• tintinweb/solgrep - Scriptable semantic grep utility.

Audit

• Aderyn - Rust-based open-source static analyzer for finding vulnerabilities in smart contracts.
• Echidna - Define properties for your smart contract then use fuzzing to catch security bugs.
• eth-sri/securify2 - Tool for analyzing smart contracts for vulnerabilities and insecure coding.
• ethereum/sourcify - Re-compiler for verifying that bytecode corresponds to specific source code.
• Mythril - Security analysis tool for smart contracts.
• MythX - Detect security vulnerabilities in Ethereum smart contracts throughout the development lifecycle.
• Slither - Static analyzer with support for many common bug types, including visualization tools for security-relevant information.

DevOps

• Embark - Framework that allows you to easily develop and deploy DApps.
• Moesif - Service that provides Ethereum smart contract analytics and anomaly detection for DApps and DAPIs.

Languages

JavaScript

• deno-web3/solc - Compiler bindings for Deno.
• solc-js - JavaScript bindings for the compiler.
• sulk - Configurable contract compilation.

TypeScript

• TypeChain - TypeScript bindings for Ethereum smart contracts.

Rust

• hyperledger-labs/solang - Compiler targeting WASM and BPF, written in Rust.
• rust-ethereum/ethabi - Encode and decode smart contract invocations.

OCaml

• ocaml-solidity - OCaml library providing a parser, a typechecker and miscellaneous utilities for manipulating contracts.

Editor Plugins

Eclipse

• uml2solidity - Model smart contracts with UML.

Emacs

• company-solidity - Autocomplete with company-mode.
• emacs-solidity - Language mode for Emacs.

IntelliJ

• intellij-solidity - Language plugin for IntelliJ.

Sublime

• SublimeEthereum - Syntax package for Sublime Text.

Vim

• solidity.vim - Vim compiler plugin.
• vim-solidity - Vim syntax file.

Visual Studio Code

👉 For a comprehensive list, see results for "Solidity" on Visual Studio Marketplace.

• ConsenSys/vscode-solidity-auditor - Language support and visual security auditor for Visual Studio Code.
• Ethereum Security Bundle - Meta-extension bundling marketplace plugins for secure Ethereum smart contract development.
• sol-profiler-vscode - Visual Studio Code extension for generating and storing smart contract method profiles.
• Solidity + Hardhat - Adds IDE support for contract development with formatting, linting, snippets, references, and more.
• Solidity Contract Flattener - Flatten contracts using truffle-flattener.
• Solidity Visual Developer - Security-centric syntax and semantic highlighting, detailed class outlines, UML diagram generation, and more.
• vscode-solidity - Visual Studio Code language support extension.

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License

To the extent possible under law, Ben Kremer has waived all copyright and related or neighboring rights to this work.