Notif.me SDK - A Node.js lib to send all your transactional notifications
Pragma - The home base for Ethereum developers.
Postman for Mac (Beta) - Build, test, and document your APIs faster
Slack RTM API - Slack's Real Time Messaging API
Wit.ai - Easily create text or voice based bots that humans can chat with on their preferred messaging...
WrapAPI - Build an API on top of any website