Are there any publicly available bedrock players that java players can join?

Bedrock servers?

Since you own java already then just play bedrock that came with your purchase

The server is the one that defines gameplay anyway, so I hope you weren't expecting java mechanics in a bedrock server?

What?

I assume you means bedrock server as madeline said

to my knowlege you cant join bedrock server with java

but you can join java server with bedrock if you setup geyser mc