If it's published on Hashbase, you can access it with any HTTP client (though this of course somewhat defies the point of it being p2p).
Otherwise, you will need a dat:// client - Beaker is the main web browser with dat:// support, other clients sofar have more specialised uses, e.g. https://github.com/codeforscience/sciencefair
Otherwise, you will need a dat:// client - Beaker is the main web browser with dat:// support, other clients sofar have more specialised uses, e.g. https://github.com/codeforscience/sciencefair