I can't tell what this is, and I don't want to sign up to find out. Prior to clicking imagined some hyperbolic space mind map, but the animation looks like a w

I can't tell what this is, and I don't want to sign up to find out. Prior to clicking imagined some hyperbolic space mind map, but the animation looks like a word vector interpolater? So something like splines for ideas? But I don't wanna guess or sign up.