Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
OneSignal - Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
Braze - Braze is an engagement platform that empowers growth by helping marketing teams to build customer loyalty through mobile, omni channel customer experiences.