1571 Open source projects that are alternatives of or similar to Web3 By Example

Elegant Web3js functionality in Swift. Native ABI parsing and smart contract interactions.

Cryptographic javascript-functions for ethereum and tutorials to use them with web3js and solidity

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

A simple web3 standard provider that signs eth_sendTransaction payloads.

Elegant Web3js functionality in Swift. Native ABI parsing and smart contract interactions on Ethereum network.

Python Data Science and Machine Learning Library for the Ethereum and ERC-20 Blockchain

An API by MyEtherWallet. ETH / Ropsten / JSON RPC / Web3

Create an ERC20 Token for FREE in less than a minute with the most used Smart Contract Generator for ERC20 Token. No login. No setup. No coding required.

Token Multisender Dapp smart contract. Airdrop tokens. Batch sending ERC20, ETH, Ethereum tokens. Send thousands of transfers in a few transactions. It can help user to save more tx fee and time than sending one by one

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

Simple library to connect with dagger server and manage subscriptions for Ethereum Blockchain.

dApps in Elm

Plasma protocol compatible ETH Exchange Platform

A basic cheatsheet of Web3.js vs Ethers (along w/ example apps!)

Ethereum TypeScript Client Library - for perfect types and tiny builds.

Ethereum wallet with erc20 support / web wallet - built using react, web3, eth-lightwallet

Simple Ethereum API to get your ERC20 Token Balance along with useful information

Indexer for Ethereum to get transaction list by ETH address

Python scripts for ETL (extract, transform and load) jobs for Ethereum blocks, transactions, ERC20 / ERC721 tokens, transfers, receipts, logs, contracts, internal transactions. Data is available in Google BigQuery https://goo.gl/oY5BCQ

Blockchain Books

A Collection of Vulnerabilities in ERC20 Smart Contracts With Tokens Affected

An efficient Ether and token balance scanner library

Tokens, Tokens, Tokens

A highly configurable Go implementation of the Ethereum protocol.

The Shared Royalty Non-Fungible Token (a.k.a Bootleg) is an open source project started by the ConsenSys Web3Studio team. The purpose of the Shared Royalty Non-Fungible Token (SRNFT) is to make any royalty business model, from the oil and gas industry to entertainment, easy to manage with the Ethereum blockchain .

Complete Ethereum & Celo library and wallet implementation in Rust. https://docs.rs/ethers

Ethereum based derivatives trading protocol creating digital tokens for any asset

Portis Web SDK

🎉 ICO Contracts of the ALIS.

API client lib for communication with geth (go-ethereum) node.

Roulette Smart Contract on Ethereum Blockchain

Run an Ethereum node (Geth or Openethereum) for development

A simple and decentralized protocol for flash loan. https://t.me/Uniflash

Ethereum token definitions

Ethereum .Net cross platform integration library

📱 Trust - Ethereum Wallet and Web3 DApp Browser for iOS

✅ Verify your smart contracts on Etherscan from the Truffle CLI

Clojurescript API for Ethereum Web3 API

Hydro Protocol decentralized exchange smart contracts

🎛 Set Protocol Smart Contracts

Non-custodial decentralized mobile wallet

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

A global registry of JSON formatted files on 1500+ cryptocurrency tokens. Provides information like chat rooms, communities, explorers, and contact information on each coin. Used by https://blockmodo.com, DEXs, developers, and exchanges.

TokenScript schema, specs and paper

Censorship resistant democracies.

0x protocol monorepo - includes our smart contracts and many developer tools

❌ Revoke or change your ERC20 token allowances

(Aragon 1) Seamlessly integrate DAO functionality into web and node.js apps.

Airflow DAGs for exporting, loading, and parsing the Ethereum blockchain data. What datasets do you want to be added to Ethereum ETL? Vote here: https://blockchain-etl.convas.io.

An Ethereum project to crawl blockchain states into database

Web3 and Geth wrapper utility in swift

🛠 Assertions and utilities for testing Ethereum smart contracts with Truffle unit tests

🚀 A curated list of tools, libs and resources to help you build awesome dapps

EDEN - EDN Smart Token & Smart Contracts

The official Musicoin Desktop Wallet Application

A simple and sufficient ERC20 implementation

A Docker Image to create a set of mining, local Ethereum nodes for development

A set of icons for all the main cryptocurrencies and altcoins, in a range of styles and sizes.

🌎 Personal immortal robot for the The Great Web

A super tiny module for querying IPFS that works in the browser and node.