Top 2 bonjour-discovery open source projects

mDNS Library for nRF52, SAMD21, SAMD51, SAM DUE, STM32F/L/H/G/WB/MP1, AVR Mega, RP2040-based boards, etc. using Ethernet W5x00. Supports mDNS (Registering Services) and DNS-SD (Service Discovery). Ethernet_Generic library is used as default for W5x00

Remote control B&O Beoplay loudspeakers from macOS (PoC)