DNSSD for Android ★ 300+

Service Browser is a utility that discovers all services registered in a network and resolves meta-information about them, including IP addresses and port. It also provides an ability to register your own service in any domain (available only for developers). The source code is available under the Apache 2.0 license.

RxDNSSD - Android library which is Rx wrapper for Apple DNSSD Java API. The source code is available under the Apache 2.0 license.