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.
Android Studio - Android development environment based on IntelliJ IDEA
Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.
Xcode - Xcode is Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.
Strikethru - Strikethru is a kind of to-do list notebook for managing work lists and staying updated with the important tasks.