Features:
* Convert your internal and natively connected external displays to smoothly-scaled HiDPI displays on Apple Silicon - now even without mirroring a dummy (displays with notch, HDR, HDCP, high refresh rate fully supported)! (Pro)
* Reach the full brightness potential of your XDR or HDR display! (Pro)
* Change the display's brightness, volume and colors via software and hardware (DDC) control via sliders and native or custom keyboard shortcuts!
* Create custom HiDPI resolutions for real displays manually and redefine certain system display parameters!
* Create any number of dummies (virtual screens) with varying aspect ratios.
* Use headless Macs (servers) with any resolution and HiDPI mode for remote access.
* Create Picture in Picture window for any real or dummy displays. (Pro)
* Redirect your display's contents (real or dummy) to an other screen via streaming. (Pro)
* If you are using a big TV up close, use the bottom half of your TV as a wide screen display (off-center streaming). (Pro)
* Scale Sidecar resolutions. (Pro)
* Portrait SideCar support. (Pro)
* Better quality zooming (System PreferencesAccessibilityZoom) or High Quality even on 1080p displays
* Easily change the resolution of your real and dummy displays via a slider (or submenu) from the menubar.
* Quickly accessible refresh rate and screen rotation menu.
* Simplify creating mirrored sets. (Pro)
* Easily move around displays relative to each other using the app menu.
* Quickly designate a display to be main display.
* Associate dummies with displays for auto connect/disconnect.
* Keyboard shortcuts for basic operations.
* Advanced keyboard shortcuts support. (Pro)
* Custom dummies (resolution, orientation, naming). (Pro)
* Create a dummy optimized for a real display. (Pro)
Compatibility: macOS 12.4 or later
This version provides improved compatibility with the initial release of macOS Sonoma and contains some minor enhancements/fixes based on the feedback received for the previous version.

Home Page-

https://github.com/waydabber/BetterDisplay