Zipline, a Pythonic Algorithmic Trading Library - http://www.zipline.io/
CCXT – A JavaScript / Python / PHP cryptocurrency trading API with support for more than 120 bitcoin/altcoin exchanges
Discussion room for debugging / planning / brain-storming / implementation relating to the Lean Open Source Project (https://github.com/QuantConnect/Lean)
💹 Hackable charting lib for traders
💵 Market related discussion [Be greedy here]
The most advanced and complete Php Online RPG and Trading Game Engine