Mattermark Daily - A curated newsletter of blog posts from investors & founders

Robinhood - Free stock trading service.

Startup Quote - Awesome founders provide wisdom about making things

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

Snapstorms - An archive of advice from Mark Suster on Snapchat

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