Tor relay (guard/middle or bridge/snowflake) and i2p node (i2p, i2p+ or i2pd)
Tor bridge/relay and i2p node
Snowflake and i2pd could work but not in the best conditions.
A tor guard/middle relay or bridge/snowflake and i2pd node.
I would say debian but as others said, are you on hopping distros? Do you have any problem with fedora 39?
Debian 12 with your favorite DE, I use XFCE
Debian 12 with xfce
In my servers I use debian 12, but I think a good balance (stability & up to date packages) would be linux mint in my opinion.
I use debian with XFCE
You still have realvnc lite. It is free, 1 user, 3 machines, less features, but the basics still there.