JStock - JStock makes it easy to track your stock investment.
QuantConnect - QuantConnect provides a free algorithm backtesting tool and financial data so engineers can design algorithmic trading strategies. We are democratizing algorithm trading technology to empower investors.
PTMC - PTMC | Protrader Multi-Connect is designed for both professional and retail day traders or...
Quantopian - Your algorithmic investing platform
MetaStock - MetaStock - #1 Stock Charting and Technical Analysis Software
CloudQuant - Crowd based algorithmic trading development and backtesing for stock market trading.