Oculus Quest - An all-in-one VR system

RealEye - Online Research Platform with Webcam Eye-Tracking.

Microsoft Hololens - Augmented reality headset from Microsoft

Tobii Pro Lab - Eye tracking software for behavior research. Combination with other physiological data while you design, execute, and analyze with heat maps, gaze plots.

Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.

SeeSo.io - SeeSo, the real-time eye tracking SDK for the smartphone/tablet/laptop environment. With a users' vision, reach beyond the vision.