Robinhood - Free stock trading service.
Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Richie Invest - An app that lets you invest with your friends
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Raiz - Invest spare change automatically from everyday purchases into a diversified portfolio.
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.