Postman - The Collaboration Platform for API Development
Bizness Apps - Create your own app or become a reseller and build apps for others
DreamFactory - DreamFactory is an API management platform used to generate, secure, document, and extend APIs.
GoodBarber - GoodBarber is a mobile app creation platform.
AWS CloudTrail - AWS CloudTrail is a web service that records AWS API calls for your account and delivers log files to you.
Fuse - Fuse is a UX tool suite for mobile app designers and developers.