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.
Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.
Appcelerator - Native apps, Mobile APIs, Real-time analytics, One Platform.
Strikethru - Strikethru is a kind of to-do list notebook for managing work lists and staying updated with the important tasks.