There are several platforms in various stages of development. At this point, I would say nostr:nprofile1qqszpxr0hql8whvk6xyv5hya7yxwd4snur4hu4mg5rctz2ehekkzrvcprfmhxue69uhhyetvv9ujuem9w3skccne9e3k7mf0wccsz8rhwden5te0dehhxarj95crztnev94kj6r0dehx2tnrdaksu6k5ya is the best stable and user friendly solution.