Mentioning Yahoo Pipes did me realize Drupal has this type of UX in the form of https://www.drupal.org/project/bpmn_io (integrating Events - Conditions - Events)

Would be cool to Nostrify this just for Nostr events (Ive added it to my backlog) combined with DVMs /cc nostr:npub1l2vyh47mk2p0qlsku7hg0vn29faehy9hy34ygaclpn66ukqp3afqutajft nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 nostr:npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6