Robinhood - Free stock trading service.
Transferslot - Easily buy and sell side-projects
Scout Finance - Free finance app that's like having a Bloomberg in your pocket. Download:
MicroAcquire - A free & anonymous startup acquisition marketplace
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
BitsForDigits - An acquisition marketplace for profitable internet businesses. We make it anonymous & free for owners of $100K+ revenue startups to attract full & partial acquisition offers. Free for acquirers to join for a limited time. No commissions, ever.