461 Open source projects that are alternatives of or similar to web3scala

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

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

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

Blockchain DApp using React, Next.js and MobX

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

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

Blockchain Books

Comprehensive EVM SDK (ex: Ethereum, Binance Smart Chain) for iOS, implemented on Swift. Create wallets, watch wallets (read-only), sync transactions, filter transactions by type (erc20, bep20, swap transactions etc.), swap using native DEX protocols, easily extendable to work with custom smart contracts, and full support for EIP1159.

Implementation of coffee supplychain using ethereum smart contract addressing the issue of storing critical data necessary at different stages of supplychain and making it verifiable by all stakeholders in supplychain.

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

🧰 Export Solidity contract ABIs on compilation ⚙️

The Comprehensive Ethereum Reading List

Android Wallet (Token ERC20)

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

💰 Retail Store that runs on Ethereum

Smart contracts for creating Daox-based fundraising organization

Lightweight Java and Android library for integration with Ethereum clients

A resilient Ethereum event listener that bridges your smart contract events and backend microservices

📦 Resources for the Ethereum Smart Contract Development tutorial series.

PyTest plugin for testing smart contracts for Ethereum blockchain.

⚙️ Peer to Peer Loan System implemented on Ethereum Smart Contracts

A pure swift Ethereum Web3 library

Syscoin is a crypto currency that is universally merge-mineable and offers a unique variety of services including decentralized identities, asset token issuance platform capabilities directly on the blockchain and trustless 0-counterparty interoptibility with the Ethereum blockchain

Best resources for Solidity gas optimizations ⛽

Solidity Engineer Challenge

React Native Defi Decentralized Applications(dApps)

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

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

Simple example of token market. Based on blockchain technology using Ethereum platform.

💠 Upgradeable-first Solidity smart contract development library 💠

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 OpenZeppelin starter kit focused on GSN.

RGB Core Library: consensus validation for private & scalable client-validated smart contracts on Bitcoin & Lightning

Ethereum Smart Contract to prove a document's existence at some point by storing and verifying its hash.

The Koinos Miner (GUI) provides a sleek and functional user interface that allows users to mine the KOIN ERC-20 which will be used to deliver an equitable initial token distribution on the Koinos blockchain.

📃 Smart Contracts that make up the core of the mStable protocol

InkDrop

Ethereum Smart Contracts Security Monitoring

Flow Protocols powering synthetic asset and margin trading

🧙‍♂️ Repository containing QuipuSwap liquidity protocol smart-contracts written in Ligo language

Hääl - Anonymous Electronic Voting System on Public Blockchains

🛡️ Robust data integrity tool. Prove data, text, & files using the Ethereum blockchain.

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

Cross platform wallet example using Nethereum, Xamarin.Forms and MvvmCross

IDEX v3 SDK built with TypeScript, supporting both web and Node environments.

Create and deploy Truffle projects with no configuration.

FCL (Flow Client Library) - The best tool for building JavaScript (browser & NodeJS) applications on Flow 🌊

Compile Solidity source code and verify its bytecode matches the blockchain

A solidity documentation generator, based in NatSpec format. 📃 with standalone HTML, pdf, gitbook and docsify output ✏️ just plug and play.

Ether-SWR is a React hook that fetches Ethereum data. It streamlines the chores to keep the internal state of the Decentralized App (DApp), batches the RPC calls to an Ethereum node and cache the responses

The Fungible Token standard on the Flow Blockchain

Reference implementation of the Stellar Turrets protocol

Uniswap flash swap arbitrage solidity contracts

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

An OpenZeppelin starter kit tutorial containing React, OpenZeppelin SDK & OpenZeppelin Contracts.

📑 Documentation generator for Solidity

💥 Akropolis+Yearn

UML class diagram generator for solidity contracts

Android web3j example

Tendermint-based blockchain that supports WebAssembly smart contract