These are all of the suggestions I always recommend, but also metadata.nostr.com And if you're an Android user, you can run a relay on your phone, called nostr:nprofile1qqsts0n0s20fk0s087ydcd7zj20ajv2t90m680zr6f0x5gp6w0p8wkqpzdmhxue69uhhwmm59e6hg7r09ehkuef0tdhs62, which has a specific feature to restore contacts. You can get Citrine on nostr:nprofile1qqs83nn04fezvsu89p8xg7axjwye2u67errat3dx2um725fs7qnrqlgzqtdq0.