Kahuna - Best way to understand and engage your mobile audience

Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.

Swrve - An integrated mobile marketing automation platform: analytics, push notifications, A/B testing and in-app campaign delivery.

Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.

mobilecommons - MobileCommons makes it easy for companies and non-profits to connect with people on their mobile devices.

Strikethru - Strikethru is a kind of to-do list notebook for managing work lists and staying updated with the important tasks.