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.

Ideanote - Ideanote is the #1 rated Idea Management solution for companies of all sizes. Collect, develop and manage more of the right ideas from customers and employees to drive your growth.

quantra - A public API for quantitative finance made with Quantlib

Monkkee - Keep a private journal securely on the Internet – to provide a convenient user experience your...

Quantreex - An automated trading platform that you let you create trading strategies intuitively.

Idea Notebook - Idea Notebook is an app that allows you to keep track of your logs business ideas and track as well as organize them.