Algoriz is described as 'users proprietary Artificial Intelligence to help you put your trading expertise to full use in creating market-beating algorithms'. There are five alternatives to Algoriz, not only websites but also apps for iPhone. The best alternative is Algovest, which is free. Other great sites and apps similar to Algoriz are Quantreex (Freemium), CloudQuant (Free), quantra (Free) and Streak.world (Paid).
Quantreex is a web based trading platform that let you create automated trading strategies in less than a minute. You can backtest, optimize and execute orders with multiple brokers. No coding is required.
Crowd based algorithmic trading development and backtesing for stock market trading. Incubator for Trading Strategies. If your strategy proves itself in backtesting then CloudQuant will provide capital to trade the US markets.