Oh my, get you clicker finger ready!
If you click on "explore projects" then "upcycle" then type "corks" into the "find your next project" box you will find many ideas: https://www.hometalk.com/search/posts?filter=Corks%20in%20Upcycle
Here are some fun projects I've made with corks ... https://www.homeroad.net/2018/08/four-diy-projects-using-wine-corks.html
You could make a cork board. Edge a mirror. Make a trivot or coaster.Turn a cork into a keyring. Slice them up and make jewellery.
https://www.diyncrafts.com/7343/repurpose/25-fun-creative-diy-projects-make-corks 25 ways to implement them in DIY project, after seeing this post you might want to order them bulk from Amazon :)