Robinhood - Free stock trading service.

Arthena - Quantitative research in art assets.

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

Otis - Own a piece of culture.

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

Nebula - Nebula is an arcade emulator.