1281 Open source projects that are alternatives of or similar to Congress

This repository demonstrates the eosio platform running a blockchain as a local single node test net with a simple DApp, NoteChain.

Ethereum Wallet Toolkit for iOS - You can implement an Ethereum wallet without a server and blockchain knowledge.

Curated (meta)list of resources for Biology.

Block Explorer of Nebulas

通用区块链平台tendermint源码分析

Samples demonstrating the use of Blockchain with IBM Watson IoT

A simple library to recover the private key of ECDSA and DSA signatures sharing the same nonce k and therefore having identical signature parameter r

A fast and lightweight interactive terminal based UI application for tracking cryptocurrencies 🚀

🗄EOS Tracker: Real time block explorer for EOS Blockchain

arcbit - iOS bitcoin wallet http://arcbit.io

CLI swiss army knife for Ethereum developers

SwiftyEOS is an open-source framework for interacting with EOS, written in Swift. Can be used on iOS and macOS.

Yearn Vault smart contracts

Official Verge Core Source Code Repository 💪

A ethereum wallet like imToken

This is the official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler. Issues are managed on our own bug tracker at https://www.freecadweb.org/tracker

The GUI application for Particl Markeplace and PART coin wallet. A decentralized peer to peer marketplace –free, secure, private, untraceable.

RChain Bounty Program

Core and web app for Proof of Existence - the original blockchain notary service

This code pattern shows how to model a supply-chain network using the IBM Blockchain Platform and is based on a collaboration with Brooklyn Roasting Company. The story, along with the supply-chain documents that were used to model this network, can be found at: https://www.ibm.com/blockchainbean. Note that the 'view the blockchain' button is being migrated''

An up to date and bare minimum tutorial on deploying smart contracts with python

Social server with an ActivityStreams API

Ethereum Client in PHP

Blockchain abstraction layer

A simple and integrity blockchain implementation in Golang

📚 The Open Source Education Initiative – a repository with resources for 60+ engineering subjects. Let's make education more open and accessible! 🚀✨

⟠ A curated list of awesome Solidity resources, libraries, tools and more

Bitcoin NFC Android Mobile Wallet - JS + Ionic + Cordova + Bitcore + Blockchain.info API + Cordova NFC plugin

An e-voting system based on blockchain using ring signature

Blockchain Frontier Technology Tracking

The Total Solution for Blockchain with Privacy Protecting

Python bindings for OpenCASCADE via pybind11.

Node.js with Web3 javascript examples for getting basic information (transactions, balances, network stats, and tokens) from the Ethereum blockchain.

Official Rust implementation of the Purple Protocol

dApps in Elm

Solana JavaScript SDK

An Application built for students to access Notes , Question Papers , Syllabus and Resources for all Subjects of O.U (Osmania University) 📘👨‍🎓

Clojurescript API for Ethereum Web3 API

Hashed Timelock Contracts for ETH, ERC20 and ERC721 on Ethereum

The simpliest script for parsing Bitcoin blockchain. It made convertion of blk*****.dat files to the simple text.

Lemon dApp is a world's first encrypted & decentralized e-mail service.

📚 Library of psychrometric functions to calculate 🌡️ thermodynamic properties of air for Python, C, C#, Fortran, R, JavaScript and VBA/Excel

Self-hosted Soundtracks and Podcasts sharing, with ActivityPub federation.

An alternative implementation of the Bitcoin Cash protocol, written in Golang

Scilla - A Smart Contract Intermediate Level Language

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

🚀 Hanzo JavaScript SDK. Develop cutting-edge decentralized applications.

Documentation for the Nano protocol

An IDE to develop CKB scripts for Nervos blockchain

🚀基于区块链的房地产交易系统小模型。提供销售和捐赠功能。本项目使用Hyperledger Fabric构建区块链网络, go编写智能合约，应用层使用gin+fabric-sdk-go调用合约。前端展示使用vue+element。体验地址：http://blockchain.togettoyou.com/web

Blockchain ve cryptocurrency'leri (Bitcoin gibi) daha iyi anlayabilmek için, Türkçe dokümante edilen bir Python implementasyonu

Catapult server

Official proof decentralized exchange matching engine

A Decentralized Exchange Scaffold - launch a DEX in minutes

A rails bitcoin payment processing gem

星云链 DApp 开发文档、资料、工具、教程大全 | A collection of Nebulas blockchain DApp development tools and docs

An IDE to develop smart contracts on the Conflux blockchain

A general framework for blockchain analytics

Blockchain extension for VS Code