Open Claude Is Open-source coding-agent CLI for OpenAI, Gemini, DeepSeek, Ollama, Codex, GitHub Models, and 200+ models via OpenAI-compatible APIs.

Minimalistic implementation of BIP32

Design, simulate, validate, and operate within complex systems

All Algorithms implemented in Rust

Taproot & Schnorr Python Library & Documentation.

Crypto-currency tax calculator with support for all popular wallets, exchanges, explorers and migration from other crypto tax platforms

Bitcoin Optech website

The home of all shared Rust resources for the Cosmos ecosystem.

A list of Free Software network services and web applications which can be hosted on your own servers

Coordination repository for the Secure Code Working Group

A free, open-source community resource for designers, developers and others working on non-custodial bitcoin products.

Bitcoin Protocol Development Curriculum

Rust JSONRPC library

An entire architecture focused on user agency and security.

A highly modular Bitcoin Lightning library written in Rust. It's rust-lightning, not Rusty's Lightning!

Get your own Bitcoin & Lightning Node running - on a RaspberryPi with a nice LCD

Manuscript for Book "#SmartCustody: The Use of Advanced Cryptographic Tools to Improve the Care, Maintenance, Control, and Protection of Digital Assets"

Learn Rust from the best

Block's Bitcoin Cold Storage solution.

🦀 A peer-reviewed collection of articles/talks/repos which teach concise, idiomatic Rust.

Design, test and validate complex systems through simulation in Python

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know.

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine developed by the OISF and the Suricata community.

Snort++

Bitcoin Core integration/staging tree

An example SOCKSv5 server implementation with tokio

The Rust Implementation of the libp2p networking stack.

Some in-depth articles about the Lightning Network