Announcing Frigate.
Frigate is an experimental Electrum server testing efficient Silent Payments scanning with ephemeral client keys.
Note that Frigate is currently a proof of concept for supporting Silent Payments on Electrum servers, and not a replacement for Electrs, Fulcrum etc.
If you are a developer interested in exploring Silent Payments scanning, check out 
GitHub
GitHub - sparrowwallet/frigate: Frigate Electrum Server
Frigate Electrum Server. Contribute to sparrowwallet/frigate development by creating an account on GitHub.