Bonjour

enables automatic discovery of devices and services on a local network using industry standard IP protocols.

Software · by Apple Inc. · developer.apple.com

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What Bonjour’s own pages say

What it says it doesenables automatic discovery of devices and services on a local network using industry standard IP protocols. developer.apple.com
Open sourceYes developer.apple.com
Licenseavailable as Open Source under the Apache 2.0 license developer.apple.com

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.