There are many alternatives to Gajim for Linux if you are looking for a replacement. The best Linux alternative is Pidgin, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Gajim and many of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Gajim are XMPP, Trillian, Psi XMPP Client and Dino.
Pidgin is a chat program which lets you log into accounts on multiple chat networks simultaneously. This means that you can be chatting with friends on XMPP and sitting in an IRC channel at the same time.
XMPP, or Extensible Messaging and Presence Protocol, is an open standard for instant messaging and real-time communication, allowing for message exchanges between any two entities on the Internet. It's known for its decentralized and extensible nature.
Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped as text messages on your phone.
Feature-rich XMPP client for advanced users offering strong customization options, secure encrypted messaging (TLS, OpenPGP, OTR, OMEMO), file transfers, audio/video calls, support for animated emoticons, modern themes, group messaging, and multi-platform compatibility.
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. Using GTK+/Vala.
Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell it about your accounts on all those services and do all your chatting within one application.
Speek! is the first messenger that is anonymous and censorship-resistant by design. Speek! messenger encrypts all messages and is secure, private and decentralized.
Kaidan is a simple, user-friendly Jabber/XMPP client providing a modern user interface using Kirigami and QtQuick. The back-end of Kaidan is written in C++ using the QXmpp XMPP client library and Qt 5.
Kopete is an instant messenger supporting AIM, ICQ, Jabber, Gadu-Gadu, Novell GroupWise Messenger, and more. It is designed to be a flexible and extensible multi-protocol system suitable for personal and enterprise use.
Bitmessage is a P2P communications protocol used to send encrypted messages to another person or to many subscribers. It is decentralized and trustless, meaning that you need-not inherently trust any entities like root certificate authorities.
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XMPP is the protocol Gajim runs on. Gajim is a client.