Scrcpy is a free open source application which allows the display and control of Android devices connected via USB (or over TCP/IP).
It does not require any root access. It works on GNU/Linux, Windows and macOS.
It focuses on:
lightness: native, displays only the device screen
performance: 30~120fps, depending on the device
quality: 1920×1080 or above
low latency: 35~70ms
low startup time: ~1 second to display the first image
non-intrusiveness: nothing is left installed on the device
user benefits: no account, no ads, no internet required
freedom: free and open source software
Its features include:
recording
mirroring with device screen off
copy-paste in both directions
configurable quality
device screen as a webcam (V4L2)(Linux-only)
physical keyboard simulation (HID)(Linux-only)
and more…
github.com/Genymobile/scrcpy