381 Open source projects that are alternatives of or similar to protocol

A Python package to flatten Solidity code with imports into a single file

Write once, run forever. Deploy robust, scalable, decentralized WebAssembly applications on Wavelet.

A simple Go wrapper of EOS (eosio) RPC API, and more!

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.

💠 Upgradeable-first Solidity smart contract development library 💠

Enterprise-ready blockchain platform

Smart Contracts - Solidity

Scilla - A Smart Contract Intermediate Level Language

Best resources for Solidity gas optimizations ⛽

A curated collection of resources on smart contract programming languages

Leveraging Ethereum blockchain platform for identity, authentication and reputation of IoT devices

Programming toolkit for building Hyperledger Fabric Golang on-chain (chaincode) and off-chain applications

Moved to https://github.com/chainflag/eth-challenge-base/tree/main/geth

Cadence, the resource-oriented smart contract programming language 🏃‍♂️

Official SDK for the Oasis Network.

The Baseline Protocol is an open source initiative that combines advances in cryptography, messaging, and distributed ledger technology to enable confidential and complex coordination between enterprises while keeping data in systems of record. This repo serves as the main repo for the Baseline Protocol, containing core packages, examples, and r…

Stacks ecosystem overview.

useWeb3 provides a curated overview of the best and latest resources on Ethereum, blockchain and Web3 development.

eBitcoin (eBTC) is an ERC20 token. Its primary utility is to provide an easy & fast payment solution. Its edge over other tokens is that it is capable of sending up to 255 payments in a single transaction.

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

The protocol for real-time finance on the Ethereum blockchain

luckydog(锦鲤) 一个幸运小游戏

Flow is a fast, secure, and developer-friendly blockchain built to support the next generation of games, apps, and the digital assets that power them 🌊

Bloq Ora multi-blockchain smart contract compute oracle and validation engine

An open-source Crypto-Currency exchange. Peatio v3.0 Coming Soon !

Polar is a development environment to compile, deploy, test, run scrt contracts on different networks.

Blockchain Books

Collection of simple Substrate smart contract examples written in Rust, AssemblyScript, Solang and the smart contract language ink! to test substrates pallet-contracts module

Smart Contracts for the Status Contribution Period, along with Genesis and Network Tokens

LNP/BP standards for bitcoin layer 2 & 3 protocols

CLI tool for Smart Contract error tracking, monitoring and alerting.

Postables Reusable Multi Party Payment Channel. Efficient, and lean Payment Channels with a dash of airdrops. Written in Solidity with Golang bindings

Tools for building browser applications on Flow 🌊

Alpha from various sectors in the blockchain space.

Hashed Timelock Contracts for ETH, ERC20 and ERC721 on Ethereum

Neufund and platform smart contracts

Security issues in Ethereum demonstrated in mocha tests. The fix is also demonstrated

A sandbox to run and debug smart contracts for FRAME Contracts pallet and also a sandbox framework for Substrate runtime.

Documentation for Remix IDE

Set of smart contracts on Ethereum deal with exchange rate reporting and aggregation

Smart Contracts and web app for district0x contribution

Solidity Engineer Challenge

Performant and Confidentiality-Preserving Smart Contracts + Blockchains

Awesome Ethereum Projects List

A curated list of awesome Solidity resources

This repo collects almost all the smart contract honeypots that you could find in the first three pages of Google search.

The Language for Smart Legal Contracts

A containarized Enigma Protocol environment to start writing secret contracts

A repo full of smart contracts written in Solidity

IDE for waves blockchain RIDE language

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

A set of composable extension contracts for the OpenZeppelin ERC721 base contracts.

A Collection of Vulnerabilities in ERC20 Smart Contracts With Tokens Affected

Foundation developer docs

Reference DAML application demonstrating a healthcare use case.

0xcert protocol crowdsale contracts for Ethereum blockchain.

A Performant Blockchain that Isn't Confusing

Reference documentation on every gas price API and all the different formats

Ethereum smart contract transaction input data decoder