synergy-core VS hammerspoon

No one has mentioned ShareMouse yet? (https://www.sharemouse.com/) In my experience it has worked way better than Synergy. I switched after getting fed up with the synergy developers not responding to various multi-year old bugs that made the software unworkable for me (e.g. https://github.com/symless/synergy-core/issues/5992).

The only downside is that you have to "renew maintenance" to continue receiving updates to ShareMouse after a year. But I haven't done that yet and it still works fine for me.

I want to be able to do things like Synergy, Steam Link, Unified Remote, and Media Servers between any of these devices, with as little added latency as possible (especially important for steam link)

i've got several fedora linux machines running and sharing their monitors via synergy (https://symless.com/synergy) , all controlled by the keyboard/mouse on the primary synergy server.

Not sure if this is what you're asking, but I've been using Synergy Pro (Windows, macOS, Linux) for years, and it works seamlessly. It lets you share your mouse and keyboard across multiple systems (with or w/o encryption), copy and paste between computers, etc.

I've got an M2 MacBook Air

Per the Advanced... screen under Displays in System Settings, you can link to a Mac or iPad to control it a la Synergy[0]

I have not done it myself, but I do not see why you could not do it with a current-gen Mac Mini

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[0] https://symless.com/synergy

I previously used a software solution to do the same thing and it was actually really good, better even. It might have been this software but I have to check to be sure - https://symless.com/synergy - as I’m not at my laptop right now.

Another option for hacking something like this together could be HammerSpoon. I’ve spent some time with it, but haven’t tried integrating with Apple Notes, I mostly did stuff at the file system level to keep it easy.

https://www.hammerspoon.org/

For basic window tiling, I stumbled across Hammerspoon and the MiroWindowsManager spoon.

https://github.com/miromannino/miro-windows-manager

https://www.hammerspoon.org/

I use hammerspoon a lot and it seemed like scheduling SelfControl could be done using it so I created Hammer Control. Check it out!

Hammerspoon - Price: Free Desktop automation tool for macOS that allows you to write Lua scripts to control your Mac.

Assuming no one has a cut-and-dried solution that just works, would something like this be possible with say, AppleScript or another scripting tool like Hammerspoon? I've not used either of these tools before, but would be open to seeking out a scripting solution on my own if it's viable. Or am I going to run into insurmountable security restrictions?

Spark (not the email app). There are others like Hotkey and Hammerspoon.

I have tried different tools for this including Rectangle, but I've finally settled with hammerspoon. It solves the problem of window-management but you can also use it to create custom keyboard shortcuts and much more.