99% sure this is not what you're asking for, but I think it's worth mentioning monodraw: https://monodraw.helftone.com
It's really useful for embedding diagrams in your code. Not so much for uses outside of code though.
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I'm guessing for a lot of people draw.io and Excalidraw are probably the go-to. If you use draw.io (or something else), what do you like about it, or what do you wish was better?
[1] - https://app.vexlio.com/ for the curious
It's really useful for embedding diagrams in your code. Not so much for uses outside of code though.