Mostly all of the major ones, like damus, primal, plebstr , you can also share your pubkey and and it should be fetchable by any client,most clients also provide shareable links to profiles for example here’s a link to your profile on primal https://primal.net/p/npub1hm7vs5sqm2cypkkepgtjmp878d43wtnfzmu0tu0j794zflyn4wyqlc4mzq