Postman - The Collaboration Platform for API Development
Qrvey - Embedded Analytics built exclusively for SaaS applications.
Django REST framework - Django REST framework is a toolkit for building web APIs.
DevicePilot - DevicePilot is a universal cloud-based software service allowing you to easily locate, monitor and manage your connected devices at scale.
Amazon API Gateway - Create, publish, maintain, monitor, and secure APIs at any scale
AnswerRocket - AnswerRocket is a search-powered analytics that makes it possible to get answers from business data by asking natural language questions.