[[Chat::instant-messaging]]

Dino (instant messenger): Dino is a modern open-source chat client for the desktop. It focuses on providing a clean and reliable Jabber/XMPP experience while having your privacy in mind. It supports end-to-end encryption with OMEMO and OpenPGP and allows configuring privacy-related features such as read receipts and typing notifications. Dino fetches history from the server and synchronizes messages with other devices.

EF*CK Chat Keyboard: EF*CK is a free cross-platform open-source on-screen desktop emoji keyboard, with built-in text-filter-based emoji picker, Unicode text converter, meme GIF search function ... Upon emoji/text activation, the app automatically types it into the previously focused window, or copies it into system clipboard. Written in Python/Qt and extensible.

EXo Platform: eXo Platform is an open-source digital workplace platform. Full-featured and user-centered, the solution enables a variety of use cases around internal communications, employee engagement, knowledge management and digital collaboration.

Ejabberd: 'ejabberd' is a multi-platform, scalable, distributed, and fault-tolerant XMPP Jabber server. It supports advanced features such as multi-user chat, IRC transport, publish and subscribe services, Jabber user directory, a Web-based administration interface, an HTTP polling service, SSL and TLS support, LDAP and external authentication.

Ekiga: Ekiga (formely known as GnomeMeeting) is a SoftPhone, Video Conferencing and Instant Messenger application over the Internet. It supports HD sound quality and video up to DVD size and quality. It is interoperable with many other standard compliant software, hardware and service providers as it uses both the major telephony standards (SIP and H.323).

Empathy: Empathy is a messaging program which supports text, voice, and video chat and file transfers over many different protocols, including Jabber (xmpp). You can tell it about your accounts on all those services and do all your chatting within one application. Empathy uses Telepathy for protocol support and has a user interface based on Gossip. Empathy is the default chat client in current versions of GNOME, making it easier for other GNOME applications to integrate collaboration functionality using Telepathy.

Eva: 'Eva' is an IM client in KDE that uses QQ IMprotocol to communicate with other clients Gaim with OpenQ plugin or LumaQQ written in Java.

Festival Gaim: Gaim plugin which enable you hear your incoming messages using voice synthesis.

Firestr: Fire★ is a a simple platform for decentralized communication and computation. Provides a simple application platform for developing p2p applications and share these applications with others in a chat like user interface. You don't send a message to someone, you send an program, which can have rich content. All programs are wired up together automatically providing distributed communication, either through text, images, or games. The source code to all applications is available immediately to instantly clone and modify.

FluffyChat: FluffyChat - Chat with your friends The greatest FluffyChat features: Opensource and open development where everyone can join. Nonprofit - FluffyChat is donation funded. Cute design and many theme settings including a dark mode. Unlimited groups and direct chats. FluffyChat is made as simple to use as possible. Free to use for everyone without ads. There is no "FluffyChat server" you are forced to use. Use the server you find trustworthy or host your own. Compatible with Element, Fractal, Nheko and all matrix messengers.

Fractal: Fractal is an instant messaging client and collaboration software for the GNOME desktop based on the Matrix protocol.

Freetalk: Freetalk is a command-line Jabber/XMPP chat client. It notably uses the Readline library to handle input, so it features convenient navigation of text as well as tab-completion of buddy names, commands and English words. It is also scriptable and extensible via Guile.

Gaim-e: 'gaim-e' is an encryption plugin for gaim. It uses GNUPG (GPG) to securely transfer the session key (RC5). It currently works with AOL, MSN, and Yahoo. Other protocols supported by gaim have not yet been tested.

Gajim: Gajim is a Jabber/XMPP client written in PyGTK. Gajim works nicely with GNOME, but does not require it to run.

Gale: Gale is a messaging system resembling Zephyr in UI and social characteristics, but IRC in architecture, with some features of its own. It supports the use of public-key cryptography for privacy and authentication. It has a spanning-tree topology with failover, little server state, no concept of "op privileges", security through end-to-end encryption, multi-line messages, and command-line-driven clients, and directed categories, which prevents unnecessary distribution of messages. See Fugu, a graphical client for Gale: http://fugu.gale.org/

Gicq: 'gicq' is an ICQ-compatible instant messaging client for Unix systems. It is based on the GTK toolkit. At the present time, the feature list is rather short. However, the most important stuff works - you can log on with an existing ICQ account, search for other users and add them to your contact list, and send and receive messages. 'gicq' uses libicq, which does most of the work.

Gm: GNU Messenger is a messaging system that attempts to keep your conversations private from everyone except the intended recipient. It is compatible with existing IM networks and lets you to communicate with other GM users even when you're not using a native server. Features include autoconf support, interoperability with other popular IM networks, separate frontend and backend (which makes it easy to write new clients, a buddy list, and taskbar docking.

Gnome ICU: GnomeICU (formerly GtkICQ) is an Internet Communication Utility for Gnome. It is based on the ICQ protocol, and may be used to communicate with any other GnomeICU or ICQ users, either in GNU/Linux or whatever other OS your friends feel like using.

Gnome IP Messenger: Gnome IP Messenger (GIPMSG) is WinPopup-like communication tool that works over TCP/IP. GIPMSG is a complete GNOME/GTK+ program, with full GNOME applet support. Using GIPMSG is easier than e-mail and requires little setup.

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