Title Tags
Design and trade algorithmic trading strategies in a web browser, with free financial data, cloud backtesting and capital - QuantConnect.com
https://www.quantconnect.com/
quant (edit)
Quant Mashup | Quantocracy
https://quantocracy.com/
quant trading finance (edit)
algorithmic trading, quantitative trading, trading strategies, backtesting and implementation
http://www.quantstart.com/
python quant machine learning big data (edit)