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
Startup Network - Predicting successful startups using AngelList data
mlist - Email newsletters, outside of the inbox
The Starter Kit - Curated resources for web developers and visual designers
TL;DR Email - Send short emails & read emails as fast as you read Facebook
TidyCal - Optimize your schedule with custom booking pages and calendar integrations