There's a lot of these since OpenJDK is Open Source, meaning near everyone has their version. They all work damn near the same, it's more like which company you like more. I'm only going to list my 4 first options, but there truly is a lot of these.
Literally the first search result for "Java Download"
Actually OpenJDK, built and supported by the community
IDK why, but if you want Microsoft Java for some reason, it exists.
One of my "hidden gem" tech companies