Robinhood - Free stock trading service.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Trigger Finance - IFTTT for the stock market
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
SysGears Grain Framework - The simplest way to start investing.
Codeship - Codeship is a fast and secure hosted Continuous Delivery platform that scales with your needs.