Recommended applications
MonitorControl
Controls your external display brightness and volume and shows native OSD. Use menubar extra sliders or the keyboard, including native Apple keys!
https://github.com/MonitorControl/MonitorControl
Maccy
Maccy is a lightweight clipboard manager for macOS. It keeps the history of what you copy and lets you quickly navigate, search, and use previous clipboard contents.
https://github.com/p0deje/Maccy
Magnet
Every time you multitask with many apps open, you need all the windows arranged accordingly. Magnet makes this process swift and effortless.
Amphetamine
Amphetamine can keep your Mac, and optionally its display(s), awake through a super simple on/off switch, or automatically through easy-to-configure Triggers.
https://apps.apple.com/us/app/amphetamine/id937984704?mt=12