Simplicity is a blockchain programming language designed as an alternative to Bitcoin script.

Bitcoin Core integration/staging tree

Bitcoin Improvement Proposals

Use an air-gapped Raspberry Pi Zero to sign for Bitcoin transactions! (and do other cool stuff)

Tiny libraries for building the next generation of Stacks apps.

Blockstream Satellite API

Lightning Network Daemon ⚡️

Onion Routed Micropayments for the Lightning Network

Core Lightning — Lightning Network implementation focusing on spec compliance and performance

BOLT: Basis of Lightning Technology (Lightning Network Specifications)

Bitcoin Lightning Improvement Proposals

A scala implementation of the Lightning Network.

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

A Bitcoin Programming Language