Types of Depth camera's

kinect 360	Kinect One	Kinect Azure
Realsense	Orbec Astra	zed 2i
Oak D	Media Pipe* MediaPipe is a cross platform Framework for building machine learning pipelines for processing time-series data like video, audio, etc.  Amongst many other possibilities it turns your webcam into a depth/tracking camera.	ZIGSimPro an app that turns your phone into a depth sensor & tracking camera (over OSC)

Some comparison articles:
https://www.generationrobots.com/blog/en/luxonis-vs-realsense-which-depth-camera-should-i-choose/
https://docs.ipisoft.com/Depth_Sensors_Comparison 
the 3 kinects compared: https://www.mdpi.com/1424-8220/21/2/413