Pidgin

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"Gaim" redirects here. For other uses, see Gaim (disambiguation).
This article is about the instant messenger. For coding, see pidgin code.
Pidgin language

Pidgin (formerly named Gaim) is a free and open-source multi-platform instant messaging client, based on a library named libpurple that has support for many instant messaging protocols, allowing the user to simultaneously log into various services from a single application, with a single interface for both the popular and obsolete protocols (from AOL to Discord), thus avoiding the hassle of having to deal with a new bloated, unaudited, closed-source, and different piece of software for each device and protocol.


Pidgin Internet Messenger

Pidgin (software)


The number of Pidgin users was estimated to be over three million in 2007.<ref>"Luke Schierer discusses Pidgin, Open source and life" Template:Webarchive. PC World Australia, October 10, 2007.</ref>

Pidgin is widely used for its Off-the-Record Messaging (OTR) plugin, which offers end-to-end encryption. For this reason it is included in the privacy- and anonymity-focused operating system Tails.

History

File:Gaim-buddylist-2.0.0b6.png
Gaim 2.0.0 beta 6 running under GNOME 2.16.0

The program was originally written by Mark Spencer, an Auburn University sophomore, as an emulation of AOL's IM program AOL Instant Messenger on Linux using the GTK+ toolkit.<ref name="forbes">Herper, Matthew (July 16, 2002). "Better Instant Messaging Through Linux" Forbes.com.</ref> The earliest archived release was on December 31, 1998.<ref>Template:Cite web</ref> It was named GAIM (GTK+ AOL Instant Messenger) accordingly. The emulation was not based on reverse engineering, but instead relied on information about the protocol that AOL had published on the web. Development was assisted by some of AOL's technical staff.<ref name="forbes"/><ref>Template:Cite web</ref> Support for other IM protocols was added soon thereafter.<ref name="forbes"/>

On 6 July 2015, Pidgin scored seven out of seven points on the Electronic Frontier Foundation's secure messaging scorecard.<ref name="eff-sms">Template:Cite web</ref> They have received points for having communications encrypted in transit, having communications encrypted with keys the providers don't have access to (end-to-end encryption), making it possible for users to independently verify their correspondent's identities, having past communications secure if the keys are stolen (forward secrecy), having their code open to independent review (open source), having their security designs well-documented, and having recent independent security audits.<ref name="eff-sms" />

Naming dispute

In response to pressure from AOL, the program was renamed to the acronymous-but-lowercase gaim. As AOL Instant Messenger gained popularity, AOL trademarked its acronym, "AIM", leading to a lengthy legal struggle with the creators of GAIM, who kept the matter largely secret.<ref>"Sean Egan's Blog - The Power of Momentum (continued)" Template:Webarchive. pidgin.im. May 23, 2007.</ref>

On April 6, 2007, the project development team announced the results of their settlement with AOL, which included a series of name changes: Gaim became Pidgin, libgaim became libpurple, and gaim-text became finch. The name Pidgin was chosen in reference to the term "pidgin", which describes communication between people who do not share a common language.<ref name="Important">Template:Cite web</ref> The name "purple" refers to "prpl", the internal libgaim name for an IM protocol plugin.<ref>Template:Cite web</ref>

Due to the legal issues, version 2.0 of the software was frozen in beta stages. Following the settlement, it was announced that the first official release of Pidgin 2.0.0 was hoped to occur during the two weeks from April 8, 2007.<ref>Template:Cite web</ref> However, Pidgin 2.0 was not released as scheduled; Pidgin developers announced on April 22, 2007 that the delay was due to the preferences directory ".gaim".<ref>Template:Cite web</ref>

Pidgin 2.0.0 was released on May 3, 2007. Other visual changes were made to the interface in this version, including updated icons.<ref>Template:Cite web</ref>

Features

Pidgin provides a graphical front-end for libpurple using GTK+.<ref>Template:Cite web</ref> Libpurple supports many instant-messaging protocols.

Pidgin supports multiple operating systems, including Windows and many Unix-like systems such as Linux, the BSDs, and AmigaOS. It is included by default in the operating systems Tails and Xubuntu.

Pluggability

The program is designed to be extended with plugins. Plugins are often written by third-party developers. They can be used to add support for protocols, which is useful for those such as Skype or Discord which have licensing issues (however, the users' data and interactions are still subject to their policies and eavesdropping). They can also add other significant features. For example, the "Off-the-Record Messaging" (OTR) plugin provides end-to-end encryption.

The TLS encryption system is pluggable, allowing different TLS libraries to be easily substituted. GnuTLS is the default, and NSS is also supported. Some operating systems' ports, such as OpenBSD's, choose to use OpenSSL or LibreSSL by default instead.

Contacts

Contacts with multiple protocols can be grouped into one single contact instead of managing multiple protocols, and contacts can be given aliases or placed into groups.

To reach users as they log on or a status change occurs (such as moving from "Away" to "Available"), Pidgin supports on-action automated scripts called Buddy Pounces to automatically reach the user in customizable ways.

File transfer

Pidgin supports file transfers for many protocols. It lacks some protocol-specific features like the folder sharing available from Yahoo. Direct, peer-to-peer file transfers are supported over protocols such as XMPP and MSN.

Voice and video chat

As of version 2.6 (released on August 18, 2009), Pidgin supports voice/video calls using Farstream.<ref>Template:Cite web</ref> Template:As of, calls can only be initiated through the XMPP protocol.<ref>Template:Cite web</ref>

Miscellaneous

Further features include support for themes, emoticons, spell checking, and notification area integration.<ref>Template:Cite web</ref>

Supported protocols

The following protocols are officially supported by libpurple 2.12.0, without any extensions or plugins:<ref name="homepage">Template:Cite web</ref>

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Some XMPP servers provide transports, which allow users to access networks using non-XMPP protocols without having to install plugins or additional software. Pidgin's support for XMPP means that these transports can be used to communicate via otherwise unsupported protocols, including not only instant messaging protocols, but also protocols such as SMS or E-mail.

Additional protocols, supported by third-party plugins, include Discord,<ref name="Github">Template:Cite web</ref> Telegram,<ref>GitHub - majn/telegram-purple: Adds support for Telegram to Pidgin, Adium, Finch and other Libpurple based messengers</ref> Microsoft OCS/LCS (extended SIP/SIMPLE),<ref>Template:Cite web</ref> Facebook Messenger,<ref>GitHub - Purple Facebook implements the Facebook Messenger protocol into pidgin, finch, and libpurple.</ref> QQ,<ref>Template:Cite web</ref> Skype via skype4pidgin plugin,<ref>Template:Cite web</ref> WhatsApp<ref>Template:Cite web</ref> and the Xfire gaming network (requires the Gfire plugin).<ref>Template:Cite web</ref>

Plugins

Various other features are supported using third-party plugins.<ref>Template:Cite web</ref> Such features include:

Mascot

The mascot of Pidgin is a purple pigeon with the name of The Purple Pidgin.<ref>Template:Cite web</ref>

Criticisms

Other notable software based on libpurple

BitlBee and Minbif are IRCd-like gateways to multiple IM networks, and can be compiled with libpurple to increase functionality.

See also

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References

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External links

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