Quantreex!

MetaTrader is a trading platform for financial markets: Forex, Stocks, Futures and CFDs. It offer superior tools for comprehensive price analysis (technical and fundamental), use of automated trading systems (trading robots) and copy trading (trading signals).

ProRealTime provides online trading, charting and technical analysis of stocks, futures, forex and commodities. The free version gives access to all features with end-of-day data. Real-time or delayed data plans start at a monthly premium and become free if you execute orders with the software.

Regardless of what markets you trade, what style of trader you are or if you require real time or end of day analytics, the NinjaTrader trading platform provides you the tools to analyze the markets and your trading ideas in a flexible, customizable and user-friendly manner that helps you trade better.

The Portfolio Manager from Wikinvest is the first portfolio tool that tracks all of your investment accounts, all in one place. Set up your accounts on Wikinvest.com, or add them directly from the application so you can follow all of your investments wherever you go.

Algoriz users proprietary Artificial Intelligence to help you put your trading expertise to full use in creating market-beating algorithms.

Your trading strategies are your proprietary way to trade. You have extraordinary ideas that can be developed into a profitable trading strategy.

Quantopian is a platform for development and research surrounding trading algorithms. Do your development on an IPython environment using company and stock data. Write algorithms in-browser and test them on real data. Compete with others for the chance to win $5k.

quantra is a public API for quantitative finance made with Quantlib. The API is well documented and includes accessible details for use with Google Sheets.