implementation of the XMPP Protocol

 AnyEvent::XMPP is an implementation of XMPP in Perl, formerly know
 under the name Net::XMPP2, it allows you to easily write Clients and
 Components. In comparison to Net::XMPP it offers a event based API and
 is independent of an event loop with AnyEvent.
 .
 The following XEPs are implemented:
  * XEP-0004 - Data Forms
  * XEP-0030 - Service Discovery
  * XEP-0054 - vcard-temp (XMPP vCards)
  * XEP-0066 - Out of Band Data
  * XEP-0077 - In-Band Registration
  * XEP-0078 - Non-SASL Authentication
  * XEP-0082 - XMPP Date and Time Profiles
  * XEP-0086 - Error Condition Mappings
  * XEP-0091 - Delayed Delivery (legacy)
  * XEP-0092 - Software Version
  * XEP-0114 - Jabber Component Protocol
  * XEP-0153 - vCard-Based Avatars
  * XEP-0184 - Message Receipts
  * XEP-0199 - XMPP Ping
  * XEP-0203 - Delayed Delivery (new)