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Discover Open Source Projects

It takes some work to go from curiosity to contribution. But that path is not often laid out clearly. Below are some stepping stones that will help you make your first open source contribution—whether in the form of comments, reviews, or writing your own PRs.

Bitcoin Core

The reference implementation of the bitcoin protocol

Good First Issues

Lightning Dev Kit

A complete lightning implementation packaged as an SDK

Good First Issues

Lightning Network Daemon

A Golang implementation and the most widely run full node on the lightning network

Good First Issues

Core Lightning

Highly flexible C implementation of the lightning protocol, fully standards-compliant

Good First Issues

Eclair

A Scala implementation of the lightning network, focusing on the mobile use case

Good First Issues

Bitcoin Development Kit

Seamlessly build cross platform wallets

Good First Issues

Libsecp 256k1

Optimized C library for elliptic curve operations on secp256k1

View Repository

Payjoin

Scale Bitcoin, save fees, and preserve privacy all at once.

Good First Issues

BTCPay Server

Free, open-source and self-hosted, bitcoin payment processor

Good First Issues

Fedimint

A modular protocol to custody and transact bitcoin in a community context

Good First Issues

Stratum V2

The next generation protocol for pooled mining

Good First Issues

Rust Bitcoin Library

A series of projects to implement various bitcoin protocols in Rust

Good First Issues

Polar

One-click lightning networks for local app development and testing

Good First Issues

By BDP

Warnet

Monitor and analyze emergent behaviors of P2P networks

Good First Issues

By BDP

SimLN

Instantly simulate real-world lightning network activity

Good First Issues