I love this online free self-hostable open source collaborative whiteboard: https://wbo.ophir.dev/ https://wbo.ophir.dev/ Unlike many others, this one is nice a

I love this online free self-hostable open source collaborative whiteboard: https://wbo.ophir.dev/ https://wbo.ophir.dev/ Unlike many others, this one is nice and lean and hence works smoothly even on old hardware.