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Extensible Messaging and Presence Protocol (abbreviation XMPP, originally named Jabber [1]) is an open communication protocol designed for instant messaging (IM), presence information, and contact list maintenance. [2]
This is a list of TCP and UDP port numbers used by protocols for operation of network applications. The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) only need one port for bidirectional traffic. TCP usually uses port numbers that match the services of the corresponding UDP implementations, if they exist, and vice versa.
The goal of the Psi project is to create a powerful, yet easy-to-use XMPP client that tries to strictly adhere to the XMPP drafts and XMPP XEPs. This means that in most cases, Psi will not implement a feature unless there is an accepted standard for it in the XMPP community. Doing so ensures that Psi will be compatible, stable, and predictable.
Apple Inc. 2002 August Proprietary Freeware; portions under the Apache license Username No No No Yes No multicast: Medium No No No Yes No Yes ? Bonjour; Briar: Briarproject.org 2018 May 9 Open standard: Public & Private key (via QR Codes) Yes Yes Yes Yes Yes Yes Yes Yes No No No No Yes ? Briar; Discord: Discord Inc. 2015 May 13 Proprietary ...
Clients that use the same protocol can typically federate and talk to one another. The following table compares general and technical information for cross-platform instant messaging clients in active development, each of which have their own article that provide further information.
ejabberd is known to be used by XMPP-related sites and a number of companies, either for providing an XMPP instant messaging service, as a meeting chat room service, or as middleware for other software (usually by means of the Publish-Subscribe service).
Prosody (formerly lxmppd [2]) is a cross-platform XMPP server written in Lua.Its development goals include low resource usage, ease of use, and extensibility. Prosody uses the default XMPP ports, 5222 and 5269, for client-to-server and server-to-server communications respectively.
The following tables compare general and technical information for a number of notable webmail providers who offer a web interface in English.. The list does not include web hosting providers who may offer email server and/or client software as a part of hosting package, or telecommunication providers (mobile network operators, internet service providers) who may offer mailboxes exclusively to ...