Bitcoin

CLI to quickly fire up a a Bitcoin regtest box along with Electrs and Esplora. Includes faucet and push commands.

Bitcoin CLI swiss-army-knife (based on rust-bitcoin).

Bitcoin Command Line Tool.

A little Python utility that lets you monitor Bitcoin addresses through Blockchain Websocket API and perform custom callbacks.

A collection of simple programs which can generate bitcoin wallets, create and sign transactions, and send transactions over the bitcoin network.

Find all used addresses in your Bitcoin HD wallets bypassing gap limits.

A no-framework, no-dependencies, customizable, animate-able, SVG-based <qr-code> web component.

Self-custodial serverless donation widget with address rotation derived from an XPUB.

Bitcoin dashboard with real-time price data, a chart, orderbook, market summary, Twitter/X insights, and halving countdown data. Live Demo

100% client-side tool for broadcasting signed Bitcoin transactions from air-gapped wallets.

MCP server for SuperScalar Bitcoin Lightning channel factories — onboard N users in one shared UTXO, no soft fork required.

Offline paper-based secret storage using AES-256-GCM and Shamir's Secret Sharing. Create printable encrypted backups of seed phrases with threshold key splitting.

Python library for Bitcoin keys, signatures, transactions. Includes full VM implementation and tools for manipulating keys (ku) and transactions (tx).

Simple library to store/retrieve information in bitcoin transactions using OP_RETURN.

Python library for Bitcoin signatures and transactions from Vitalik Buterin. Project discontinued.

Python library for building and analyzing transactions and scripts (both standard and custom). Comes along with a UTXO set analysis tool. Includes several examples and exhaustive documentation.

Python BTC is an experimental project that aims to provide human-friendly interfaces for common BTC operations.

Self-hosted blockchain explorer.

Blockchain Explorer API for Chainradar.

A better way to share your Bitcoin address.

Decentralized CoinJoin implementation

Universal blockchain explorer and search engine.

High-performance secp256k1 engine with a stable C ABI, CPU, CUDA, OpenCL, embedded, and WebAssembly targets.

Javascript bitcoin library for node.js and browsers.

audited implementation of secp256k1 + schnorr in pure typescript

alternative implementation of secp256k1: size is only 4KB gzipped; lots of comments, very valuable for learning how algorithms work

audited & minimal library for creating, signing & decoding Bitcoin transactions. With Schnorr, Taproot, UTXO & PSBT.

Bitcoin TypeScript/JavaScript Library for NodeJS, Browser and Mobile. Segwit & Taproot support.

Formerly just a Nodejs library, now a full node.

Go-based full node since 2013.

bitcoin node based on bitcoin-ruby-blockchain.

Javascript implementation of bitcoin.

bitcoind linked to node.js by BitPay.

Ruby bitcoin library including script interpreter.

Bech32 and Bech32m encode/decode library.

Schnorr signature library for Bitcoin.

support for de/serialization, parsing and executing on data-structures and network messages.

A High-Level, Imperative Language for Bitcoin Smart Contracts, featuring an LR(1) parser with static analysis for compile-time safety.

Library that provides a simple and consistent API for interacting with 50+ Bitcoin currency exchanges.

Bitcoin integration for Spring Boot applications.

Swift package for secp256k1 applications, includes Elliptic Curve operations, Schnorr, ZKP and more for Bitcoin.

Comprehensive Bitcoin library for the .NET framework.

The most complete, up-to-date, battle-tested .net Library and RPC Wrapper for Bitcoin and Altcoins in C#.

Haskoin Core is a library of Bitcoin and Bitcoin Cash functions written in Haskell.

Bitcoin Script for dummies.

A web-based demonstration of blockchain concepts.

Visualize Bitcoin script execution for real transactions.

A high performance data transfer tool that can be used to copy data from Bitcoin Core blockchain files to a SQL Server database.

Fast, quick and dirty bitcoin blockchain parser.

Abe: block browser for Bitcoin and similar currencies.

A multi-node blockchain indexer and GraphQL API.

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Inspired by the awesome list thing. Created by BlockchainU fellows.

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