There's already quite a few sites like this, including the one I work on for Canadian research data: https://www.frdr.ca https://www.frdr.ca We have a search e

There's already quite a few sites like this, including the one I work on for Canadian research data: https://www.frdr.ca https://www.frdr.ca We have a search engine that covers every Canadian data set we can find (both academic and governmental) and the ability to upload your own data set directly to the site.