Robinhood - Free stock trading service.

Sumday - Investing how you least expect it

Scout Finance - Free finance app that's like having a Bloomberg in your pocket. Download:

Matador - Free investing + Social feed of trades + 2.5% on your cash

Spark Mail - Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues

SharesInside - Makes investing easy