Google ARCore - Google Augmented Reality SDK
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
8th Wall - Cross-Platform Mobile AR
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Wikitude SDK - Wikitude’s all-in-one AR SDK combines 3D tracking technology (SLAM), image recognition and tracking, as well as geo-location for apps.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.