ClipCard for Mac - Instant cloud search with a keystroke on your Mac
Crow.app - Pricing and experimentation tools for Stripe
Mini Metro - Make the trains run on time
Mailgun - A set of powerful APIs that enable you to send, receive and track email from your app effortlessly whether you use Python, Ruby, PHP, C#, Node.js or Java.
Insync - Meet the Insync team that made it possible for users to do more with Google Drive storage on your devices.
Stripe for Gmail - Display customers Stripe information within inbound emails