Polymail - Native email app for email productivity.

Swish - Insanely great window management

Airmail - Airmail is a lightweight and lightning fast mail client for Mac.

Starters - Hacker news for sports tech

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

Sporfie - Capture personal sports highlights without filming.