1112 Open source projects that are alternatives of or similar to Web3 Vs Ethers

一个很受欢迎的用java和android app类库web3j开发区块链以太坊dapp和智能合约的教程。内容涉及以太坊核心概念，如账户管理、状态与交易、合约开发与交互、过滤器和事件等，也详细说明如何用web3j开发接口与以太坊交互。

A truffle box to serve as the foundation of any Truffle and Express.js dApp. This Box Uses NodeJS(Express JS) to provide API endpoints to the Ethereum Blockchain smart contract so that this smart contract can be used in Android Apps as well.

This is a code repository for the corresponding video tutorial. In this video, we're going to build a Web 3.0 React Solidity Blockchain Application

Ethereum contract for Bitcoin SPV: Live on https://etherscan.io/address/0x41f274c0023f83391de4e0733c609df5a124c3d4

The Graph Hub is a free, open-source and community-driven knowledge base and documentation initiative on The Graph Protocol. The vision of The Graph Academy is to establish a single go-to-resource for essential information about The Graph Protocol.

Ethereum .Net cross platform integration library

100 Days of Ðapps

Official Go implementation of the IOST blockchain

This is the legacy code base of TezBridge

Blockchain data parsing and persisting results

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.

Decentralized Twitter: A microblogging service running on the Ethereum blockchain

Project is in active development and has been moved to the EthereumJS VM monorepo.

Web3 and Geth wrapper utility in swift

JS - Solidity sha3 merkle tree bridge. Generate proofs in JS; verify in Solidity.

🐋 Show Ethereum and Bitcoin price in command line interface (CLI).

Tested Ethereum ICO Contract for Token Crowdsales

a blockchain private key management library on iOS

Core Ethereum Smart Contracts for Polymath - The Securities Token Platform

🤖 multichain trading bot with sniper, frontrun, backrun, sandwich

Reactive Ethereum datastore for dapp UIs.

Common methods to interact with the Circles ecosystem

Ethereum library for the Ruby language

Opinionated Dapp Starter Template

💸 A curated, community compiled list of everywhere you can use the decentralized Dai stablecoin

🌎 Complex Topics Explained For Your Level And Background. ✏️

Smart contracts comprising the business logic of the InstaDApp

Asch is an efficient, flexible, safe and decentralized application platform, which was initially designed to lower the barrier to entry for developers.The services provided by the Asch platform include a public chain and a set of application SDKs.

区块链的构造和解释（structure-and-interpretation-of-blockchain）

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

A Python-based development and testing framework for smart contracts targeting the Ethereum Virtual Machine.

(Secure) Ruby to Solidity (Source-to-Source) Cross-Compiler Cheat Sheet / White Paper

🎚 Peripheral smart contracts for interacting with Uniswap V2

[UNMAINTAINED] Ruby library to query market data from cryptocurrency exchanges (https://www.coingecko.com)

The platform that MetaGame will be played on aka MetaOS - an open source framework for running decentralized societies. Currently featuring MetaSys, MyMeta Profiles, Dashboard, MetaMenu & Quests

(Aragon 1) Reference implementation for aragonOS: a Solidity framework for building complex dApps and protocols

学习资料

Formerly Linnia-Smart-Contracts

⚡️Curated list of resources for the development and applications of blockchain.

Your 🔵 Superintelligence

A decentralized ad server running on the blockchain

An Open Source Cryptocurrency Payment Processor.

Wei Wallet is an open source Ethereum wallet for iOS

Pluggable auth infrastructure for Web3 wallets and dapps

Sharding manager contract, and related software and tests

Non-custodial decentralized mobile wallet

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

A next generation decentralised Ethereum proof of stake network and pool, currently in beta and built to be compatible with Ethereum 2.0 and the Beacon Chain.

Open source SHA-512 loginless bitcoin wallet

Ethereum contract ABI to gRPC protobuf IDL transpiler

A Ruby implementation of Ethereum.

Simple Swift library for creating HD cryptocurrencies wallets and working with crypto Coins/ERC20 tokens.

🎴Zero-knowledge non-fungible tokens on Ethereum using zk-SNARKs

Sustain Ethereum Together

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

Back-end of the Multy - mobile multy-blockchain wallet.

DEPRECATED. To be removed December, 2018 (use monax/bosmarmot)

Nanominer is a versatile tool for mining cryptocurrencies on GPUs and CPUs.

Grow Open Source

gDAI - Gas less DAI transfers by using GSN, Fulcrum and KyberNetwork