The best alternative to Pidgin is Conversations, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Pidgin and many of them are so hopefully you can find a suitable replacement. Other interesting alternatives to Pidgin are Franz, Psi XMPP Client, WeeChat and Dino.
Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].
Franz is a free messaging app / former Emperor of Austria and combines chat & messaging services into one application. Franz currently supports Slack, WhatsApp, WeChat, HipChat and many more. You can download Franz for Mac, Windows & Linux.
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.
WeeChat is a free chat client, fast and light, designed for many operating systems. It is highly customizable and extensible with scripts.
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.
Simple and modern interface, secure protocols be default (OMEMO, OpenPGP), available in many distros and through Flatpak/Flathub, audio and video call.
The goal of Gajim is to provide a full featured and easy to use XMPP client. Gajim works nicely with GNOME, but does not require it to run. It is released under the GNU General Public License.
It's a Jabber client only, not a multi-protocol / multi-channel chat client. Similar to Pidgin on it's root purpose can only by another multi-protocol client. Gajim is not.
Supports more XMPP features and has it already integrated in the base.
Pidgin needs a lot of plugin to have a similar support for features.
One app for all your messaging.
WhatsApp, Messenger, Telegram, Skype, Zoom, Google Hangouts, Gmail, Slack, Facebook, Facebook Pages, Instagram, Twitter, Outlook, SnapMap, WeChat, LinkedIn, HipChat, and ChatWork.
Supports multiple messaging apps
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.
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.
Modern interface for XMPP communications. Implements OMEMO:2. Works fine.
Instantbird is an instant messaging client based on Mozilla XULRunner and the open source library libpurple created by the software developers of Pidgin . Over 250 add-ons allow user customization of, and addition of, features.
jami-commander (jc for short) is a simple but convenient CLI-based Jami client app for setting up accounts and swarms as well as sending.
monocles chat is a fork of blabber.im and Conversations with some changes, to improve usability.
Germany
EU
Austria
France
very good Alternative if you seek a client for android