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.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Appcelerator - Native apps, Mobile APIs, Real-time analytics, One Platform.
Slack - A messaging app for teams who see through the Earth!