EssentialPIM - EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications.

Astral - A social network for augmented reality 📍

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

Learn Calligraphy with Augmented Reality - AR experience that help to learn Calligraphy!

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

Lightform - The design tool for projected AR