Coin GitHub Repositories (2026) · Open Source Tools

Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.

Bitcoin Core integration/staging tree

A unified trading API with more than 100 crypto exchanges and prediction markets in JavaScript / TypeScript / Python / C# / PHP / Go / Java / Rust

Open-source, non-custodial, privacy preserving Bitcoin wallet for Windows, Linux, and Mac.

Free, open source crypto trading bot

Your AI trading terminal assistant for US stocks, commodities, forex, and crypto.

Free, open-source crypto trading bot, automated bitcoin / cryptocurrency trading software, algorithmic trading bots. Visually design your crypto trading bot, leveraging an integrated charting system, data-mining, backtesting, paper trading, and multi-server crypto bot deployments.

A decentralized bitcoin exchange network

XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.

Who the good traders on Robinhood Chain are buying: resolved wallets, a 20-second on-chain tape, provenance on every fill, AI verdicts, bursts and exits. Site + Telegram bot + API. Runs on $0/month.

The Stacks blockchain implementation

Bitcoin ABC develops node software and infrastructure for the eCash project. This a mirror of the official Bitcoin-ABC repository. Please see README.md

Metamask Desktop client and Web3 dApp browser for Windows, macOS, and Linux. Built with EVM and Solana support.

Multi-wallet for Bitcoin, Ethereum, Binance Smart Chain and other emerging blockchains. Non-custodial storage, decentralized exchange, and extensive analytics for thousands of tokens and NFTs. Implemented on Swift.

Phoenix is a self-custodial Bitcoin wallet using Lightning to send/receive payments.

The privacy-focused cryptocurrency

Silent Crypto Miner is an advanced cryptocurrency mining builder and runtime engine with multi-algorithm CPU/GPU support and intelligent resource management. Create custom mining executables with configurable algorithms, cross-platform output, real-time monitoring, session persistence, thermal throttling, scheduling, and hashrate optimization.

🌲 Rust Filecoin Node Implementation

The Python BitcoinLib provides developers with a wide range of tools to work with Bitcoin: manage wallets, private keys and addresses. Interact with the blockchain. And create complex transactions and scripts.

SDKs for CoinAPI & FinFeedAPI