Robinhood - Free stock trading service.
LendingRobot - Automated investing on Prosper/Lending Club
invstr - Investing for everyone (with fantasy $$$)
Level - Remote device management right in your browser
M1 Finance - M1 helps you manage your money by automatically putting it to work in a customizable portfolio
Pipe - Pipe gives you control over your cash flow. Get access to the full annual value of your subscriptions, upfront.