I have a line in my 'ideas' file that's been there a while: A curated library for the internet where people can submit links related to a topic and other users

I have a line in my 'ideas' file that's been there a while: A curated library for the internet where people can submit links related to a topic and other users can rate them. e.g. shoe making. Organised according to the dewey system. Basically an old school web directory. Its time has come (again).