>A place where people can create and discover topics
>You can post anonymously without logging in
>where people can post content such as text, images, webm
Sounds very similar to image boards like this one, except for
>voice chat
Voice chat tends to be used by normies. I think that would be the only significant difference other than the layout is a bit different.

It looks like a cool site. Only issue you may eventually have is spam bots and the assholes who eventually start posting CP or other illegal content which you'll be compelled to delete for legal reasons.