379 Open source projects that are alternatives of or similar to contracts

🐙 Web3 blockchain bindings for Vue.js (inspired by Vuefire and Drizzle)

Seriality is a library for serializing and de-serializing all the Solidity types in a very efficient way which mostly written in solidity-assembly

Angular CLI + Truffle Starter Dapp; write, compile & deploy smart contracts on Ethereum blockchains

以太坊开发DApp实战教程——用区块链、星际文件系统（IPFS）、Node.js和MongoDB来构建电商平台

api.openfuture.io

Featured in Awesome Vue [https://github.com/vuejs/awesome-vue], a curated list maintained by vuejs of awesome things related to the Vue.js framework, and Awesome List [https://awesomelists.net/150-Vue.js/3863-Open+Source/18749-DOkwufulueze-eth-vue], this Truffle Box provides everything you need to quickly build Ethereum dApps that have authentication features with vue, including configuration for easy deployment to the Ropsten Network. It's also Gravatar-enabled. Connecting to a running Ganache blockchain network from Truffle is also possible -- for fast development and testing purposes. Built on Truffle 5 and Vue 3, eth-vue uses vuex for state management, vuex-persist for local storage of app state, and vue-router for routing. Authentication functionalities are handled by Smart Contracts running on the Ethereum blockchain.

Medical insurance claiming DApp which uses a Multi-Sig type approach to grant claim (ConsenSys project)

Augur - Prediction Market Protocol and Client

New version of POA Network consensus contracts is here: https://github.com/poanetwork/poa-network-consensus-contracts

Cheeze Wizards is the world's first battle royale on the blockchain (with cheese!)

📱 Trust - Ethereum Wallet and Web3 DApp Browser for iOS

📦 Resources for the Ethereum Smart Contract Development tutorial series.

A truffle box for svelte

A decentralized e-commerce platform! Tech Stack: Ethereum (Solidity) on the backend, Web3 binding to ReactJS frontend!

🗓 Clone eventbrite on Ethereum, built in Solidity, TruffleJS, Web3js and React/Redux.

Token Website

(Aragon 1) Aragon apps developed by Aragon Core Devs (smart contracts + webapps)

A simple implementation of CryptoKitties on Ethereum using ERC721 token.

OCN is a public redressal system and open police complaint filing system on Blockchain.

🔐 Ethereum smart contracts developed for the Hanzo Platform.

A simple auction dApp for Ethereum, written in Solidity.

Electronic Health Record (EHR) and Electronic Medical Record (EMR) systems. However, they still face some issues regarding the security of medical records, user ownership of data, data integrity etc. The solution to these issues could be the use of a novel technology, i.e., Blockchain. This technology offers to provide a secure, temper-proof pl…

An opinionated web3 starter for building dApps

Colony Network smart contracts

POA Network faucet

POA Network Governance Dapp

Implements proof of historical data possession on the Ethereum blockchain

zkCheckout — trustable permissionless DeFi payment gateway. Brand new zkSync dApp w/t all L2 perks: fast&cheap transfers / simple&quick withdrawal

Augmint Web Frontend

Wolk SWARMDB - Decentralized Database Services for Web3

React/Redux dApp (decentralized app) boilerplate using Ethereum's blockchain

All things #DeFi - trustless and transparent financial products built on top of the blockchain.

The world's most expensive version of Conway's Game of Life - running on the Ethereum Blockchain

The Comprehensive Ethereum Reading List

A list of links to articles, tutorials and papers that are helpful for people developing on the ethereum stack

Iterable maps library for Ethereum Solidity

Smart contracts for creating Daox-based fundraising organization

A decentralized eSports betting platform

A starter boilerplate for an Ethereum dapp using web3.js v1.0, truffle, react, and parity

A secure and decentralized Bitcoin and other cryptocurrency wallet for Android phones. Supports Bitcoin, Ethereum, EOS, Binance Chain, Bitcoin Cash, DASH, ...

Golden - Best Wallet Ever

Crypto Against Humanity - The never ending global game of shame.

Dexpay: POS, a modularized and extensible point of sale which enables Merchants to accept payments in ETH, DAI and xDAI.

Augur back-end (Ethereum contracts)

A simple E-voting Decentralised App using the Ethereum Blockchain, Solidity and the MERN(MongoDB, Express.js, ReactJS, Node.js) stack

Smart contracts & tools for Arianee Protocol

A highly scalable NFT and DEFI boilerplate with pre added web3 and different wallets with a focus on performance and best practices

Giveth Dapp for crowdfunding and managing donations on the ethereum blockchain.

A blockchain protocol for tokenized hedge funds

🔮 Very Simple ERC-721 Smart Contract Template to create your own ERC-721 Tokens on the Ethereum Blockchain, with many customizable Options 🔮

⚙️ DApp toolkit

🔌 Ethereum Dapp Basic Typescript Starter

Drop-in Access Control via NFT Ownership

This is an arbitrage bot that uses existing price aggregators such as 1inch, Paraswap, dex.ag, matcha and more to get the best exchange rates across different decentralized exchanges on different blockchains and ecosystems.

应用开发脚手架，可基于智能合约文件，一键生成区块链应用的代码

Alice smart contracts

Formerly Linnia-box Starter kit for stow protocols for building Decentralized React Apps

A boilerplate for Ethereum dapps.

Solidity contract to make multiple calls in one Ethereum transaction. Used by Maker keepers.

Integrated Ethereum implementation and tool suite focused on Solidity testing and development.