macOS / binaries /

AEServer

/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/Support/AEServer
System-wide daemon which receives incoming (remote) AppleEvent

AEServer acts as a system-wide daemon when Remote AppleEvents is enabled, allowing other computers to send AppleEvents to applications on this machine.

The binary is a part of CoreServices public framework.

source: man