Axolotl
Axolotl is a crossplattform Signal client
Signal
chat
Electron
5
Briar
Native GTK Briar client, written in Python, using the Briar Headless API
archived
briar
chat
GTK3
libhandy
5
Chatty
XMPP and SMS messaging via libpurple and Modemmanager
SMS
MMS
XMPP
Matrix
SMS
chat
GTK3
libhandy
5
Clans
A Gtk4 / libAdwaita Discord client. Early WIP."
archived
Discord
chat
GTK4
libadwaita
5
Delta Chat Desktop
Email-based instant messaging for Desktop.
mature
deltachat
chat
Electron
5
Dino
Modern XMPP ("Jabber") Chat Client using GTK+/Vala
maturing
XMPP
chat
GTK4
libadwaita
4
Flare
A unofficial Signal GTK client.
maturing
Signal
chat
GTK4
libadwaita
5
FluffyChat
Chat with your friends
Matrix
chat
Flutter
5
FluffyChat (QtQuick)
FluffyChat is a chat client for Matrix, originally created for Ubuntu Touch
Matrix
chat
QtQuick
5
Fractal
Matrix group messaging app
Matrix
chat
GTK3
libhandy
5
Gajim
A fully-featured XMPP client
mature
XMPP
chat
GTK3
2
Goguma
An IRC client for mobile devices.
early
IRC
chat
Flutter
5
Hermes Messenger
Unofficial Fb Messenger app for linux smartphone
Facebook Messenger
Messenger.com
chat
Electron
5
Iridium
Friendly IRC Client
mature
IRC
chat
GTK3
libhandy
granite
4
Jami
jami-qt is the cross platform client for Jami.
early
Jami
SIP
chat
telephony
QtQuick 6
4
Jami GNOME
Jami-client-gnome is a Jami client written in GTK+3.
Jami
SIP
chat
telephony
GTK3
Clutter
4
KDeltaChat
DeltaChat client build with Kirigami
deltachat
chat
Kirigami
5
Kaidan
Kaidan - A user-friendly XMPP client for every device!
XMPP
chat
Kirigami
5
Lith
Multiplatform WeeChat relay client
IRC
chat
QtQuick
5
Messenger-GTK
An example GUI application for the GNUnet Messenger service using libgnunetchat
GNUnet Messenger
chat
GTK3
libhandy
5
Mirage
A fancy, customizable, keyboard-operable Qt/QML & Python Matrix chat client for encrypted and decentralized communication.
inactive
Matrix
chat
QtQuick
5
Moment
Customizable and keyboard-operable Matrix client
maturing
Matrix
chat
QtQuick
5
NeoChat
A client for matrix, the decentralized communication protocol.
Matrix
chat
Kirigami
QtQuick
5
Nheko
Desktop client for the Matrix protocol
mature
Matrix
chat
QtQuick
5
OnionShare
Securely and anonymously share files, host websites, and chat with friends using the Tor network
tor
file transfer
chat
QtQuick
3
Polari
Polari is a simple IRC Client that is designed to integrate seamlessly with GNOME
mature
IRC
chat
GTK4
libadwaita
5
Quadrix
Minimal, simple, multi-platform chat client for the Matrix protocol
maturing
Matrix
chat
ReactXP
Electron
5
Ring-KDE
Ring-KDE is a Qt based client for the Ring daemon.
archived
Jami
chat
telephony
QtQuick
Kirigami
needs testing
Signal Desktop
Signal – Private Messenger for Windows, Mac, and Linux
mature
Signal
chat
Electron
5
SpaceBar
SMS/MMS application for Plasma Mobile
SMS
MMS
SMS
chat
Kirigami
5
Spectral
A glossy cross-platform Matrix client.
Matrix
chat
QtQuick
3
Telegram
Telegram Desktop messaging app
Telegram
chat
QtQuick
4
Telegrand
A GTK4 telegram client built to be well integrated with the GNOME desktop environment.
Telegram
chat
GTK4
libadwaita
5
Tok
KDE's convergent Telegram client.
Telegram
chat
Kirigami
5
WhatsWeb
WhatsWeb [WhatsApp Web] for Mobile Linux Devices
early
WhatsApp Web
chat
Electron
5
cadet-gtk
A GTK based GUI for the CADET subsystem of GNUnet.
inactive
GNUnet CADET
chat
GTK3
libhandy
needs testing
gtkcord3
A lightweight Discord client which uses GTK3 for the user interface.
archived
Discord
chat
GTK3
libhandy
4
gtkcord4
GTK4 Discord client in Go.
early
Discord
chat
GTK4
libadwaita
5
signal-rs
A Rust-based signal app with a QML/Kirigami frontend.
inactive
Signal
chat
Kirigami
5
vgmms
vgtk-based SMS+MMS client
MMS
chat
GTK3
libhandy
needs testing