Command-line JSON processor

Terrain rendering algorithm in less than 20 lines of code

A free, open source, multi-platform SQLite database manager.

iOS & tvOS multi-emulator frontend, supporting various Atari, Bandai, NEC, Nintendo, Sega, SNK and Sony console systems… Get Started: https://wiki.provenance-emu.com |

Improved JPEG encoder.

Cross compilation framework to create native packages for the Synology's NAS

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

A lightweight iOS library for In-App Purchases

Optimized C library for EC operations on curve secp256k1

Skip the HTML, Bypass takes markdown and renders it directly on Android and iOS.

M5Stack Arduino Library

Free and open-source audio editor

Block's Bitcoin Cold Storage solution.

HeaterMeter and LinkMeter Arduino BBQ Controller

Jade hardware wallet

The Objective-C HTTP library that Apple should have created, seriously.

Useful primitives for wallets

BTC and USDt wallet for Android. Account control tool for Tactical Advantage clients.

Muun recovery tool

Offline lightning PoS

A fork of libinput that incubates solutions to user-voted problems with Linux touchpads, and prepares pull requests to be submitted to the official libinput project.

Lightning Network (BOLT)

A small logging library for Objective-C applications (Mac OS X and iPhone OS/iOS) which provides conditional logging based on log levels and log components. Additionally, different logging strategi…

A bitcoin point of sale terminal using the ESP32 based M5Stack

Offline bitcoin vending machine

ESP32 Hardware Wallet

LNPos - Bitcoin Point of Sale

Free Libre command-line tools for Kindle development

A minimal C & js library for sending messages to lightning nodes