Twilio - Brings voice and messaging to your web and mobile applications.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Plivo - Plivo simplifies your customer engagement.
built.io - Idea to app in record time
SendBird - SendBird is messaging-as-a-service.
Clear Impact Scorecard - Clear Impact Scorecard is a grant management and performance software solution.