Chess Piece designed by Toan Hoang

Create high-quality images programmatically with easily-hackable templates.

TradingToolKit ETrade Oauth support

Prototype market maker specialized to trade on CoinbasePro

A high frequency, market making cryptocurrency trading platform in node.js

Zenbot is a command-line cryptocurrency trading bot using Node.js and MongoDB.

Place to store and stay up to date with configs & strategies from the CryptoGnome Group

Serve Swagger/OpenAPI docs via Rails engine

A web framework for Rust.

📈 benchmarking different ways to concatenate strings in rust

SUPERSEDED by https://github.com/japaric/trust

A few simple, but solid patterns for responsive HTML email templates and newsletters. Even in Outlook and Gmail.

Sendwithus Open Source Email Templates

Payment Request API

A list of semi to fully remote-friendly companies (jobs) in tech.

FESTIVUS - a data server for the rest of us! [inactive]

Everything you need to know about cross compiling Rust programs!

flexible Rails deployment with Ansible

A generic connection pool for Rust

Mastering Bitcoin 3rd Edition - Programming the Open Blockchain

Python-Based Bitcoin Software

Two-factor Bitcoin (BIP38)

JavaScript Client-Side Bitcoin Wallet Generator

KidsRuby installer for Windows

KidsRuby is a Ruby programming environment meant for kids to learn and have fun!

Extensive Open-Source Guides for Android Developers

Challenge for those applying to the Software Engineer, Big Data position

ActiveModel::Serializer implementation and Rails hooks

The Ruby cloud services library.