What are some alternatives?
Caffe2 - A New Lightweight, Modular, and Scalable Deep Learning Framework
Twilio - Brings voice and messaging to your web and mobile applications.
Apollo - Apollo is a full project management and contact tracking application.
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
Bandwidth - Track your Wi-Fi hotspot usage. Zero configuration required. It just works.