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xmpp (17)
Conversations is a Jabber/XMPP client for Android 4.0+ smartphones that has been optimized to provide a unique mobile experience. A port to iOS is envisaged in the medium-term future. Conversations allows you to easily send images, show if your contact has received and read your message, permit dynamic history and handles multiple devices, allow you to create group chats and support one-to-one Audio/Video calls ! And thanks to the XMPP Protocol (that is a push protocol) you battery life is safe. Using the XMPP federated protocol, you can freely choose a trustworthy server (your own if you want) for yourself while still chatting with contacts that are using other servers. The communication between Conversations and the XMPP server as well as the communication between the individual servers is TLS encrypted. This way, not only your messages are safe but more importantly it is impossible for an outside attacker to intercept your meta data (with whom you are chatting) without attacking your server first. On top of that, Conversations gives you the choice to enable one of two end-to-end encryption mechanisms. The first one is OMEMO, a state of the art multi-end-to-multi-end encryption method which is very easy to setup and gives you forward secrecy and plausible deniability. For backwards compatibility reasons Conversations also supports OpenPGP. F-droid version: Installing the F-Droid client to get the app and timely app update notifications is highly recommended by the developers.
'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 (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 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.
Freetalk Heckert gnu.tiny.png
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.
Gajim is a Jabber/XMPP client written in PyGTK. Gajim works nicely with GNOME, but does not require it to run.
This bot acts as a normal user inside both a IRC channel and a XMPP MUC room, and relays/resends the messages received in one end to the other automatically.
Jitsi Desktop, formerly known as the SIP Communicator and briefly known as just Jitsi, is a VoIP and instant messaging application that supports protocols such as SIP, XMPP/Jabber, AIM/ICQ and IRC. It can handle every firewall, and has many other useful features. This package is maintained by the community. Video conferencing capabilities evolved out of this original project and are maintained by the Jitsi team under 8×8 which acquires the whole Jitsi Technology in 2018. So the said Jitsi can also refers to a set of free software projects including Jitsi-Meet and Jitsi-Videobridge. More information at
More secure, more flexible, and completely free video conferencing. Go ahead, video chat with the whole team. In fact, invite everyone you know. Jitsi Meet is a fully encrypted, 100% open source video conferencing solution that you can use all day, every day, for free — with no account needed. What else can you do with Jitsi Meet?

Community contact

Share your desktop, presentations, and more Invite users to a conference via a simple, custom URL Edit documents together using Etherpad Pick fun meeting URLs for every meeting

Trade messages and emojis while you video conference, with integrated chat.
Build massively scalable multiparty video applications Stop mixing video channels and start using Jitsi Videobridge instead. It’s a Selective Forwarding Unit (SFU) designed to run thousands of video streams from a single server — and it’s fully open source and WebRTC compatible.

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