Anyone could recommend some device that I could install on an electrical circuit that would allow me to remotely turn on/off something?

Something like this, but instead of normal power outlets, something that just exposes +/- wires for a hardwired device, and something that doesn't rely on a proprietary phone app but instead some open standard that could be integrated in a script locally.

Something like this, but instead of normal power outlets, something that just exposes +/- wires for a hardwired device, and something that doesn't rely on a proprietary phone app but instead some open standard that could be integrated in a script locally.