Hmm. For distributed relays and max reach you'd want to use a Blastr relay such as nostr.mutinywallet.com.

For sending and receiving sats in a non-custodial way, I guess the two best options here are Zeus or Mutiny, but I'm still a fan of running your own node and infrastructure if you have the technical capability. 

 @damus zaps via @OpenSecret are broke and have been for months