Notix.co - NOTIX is an audience re-engagement service based on web and in-app push notifications that work for both desktop and mobile devices.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Automate.io - Connect your cloud software and automate work.
Appcelerator - Native apps, Mobile APIs, Real-time analytics, One Platform.
Make.com - Tool for workflow automation (Former Integromat)