InstantMessaging

Choqok

Micro-blogging client

Vista

Dianara

A social networking client for the Pump.io network

Vista

Gajim

Fully-featured XMPP chat client

Vista

Kaidan

User-friendly and modern chat app for every device

Vista

Kopete

Instant Messenger

Vista

NeoChat

A client for matrix, the decentralized communication protocol

Vista

Pidgin

Instant Messaging Client

Vista

Psi+

The cross-platform XMPP client designed for experienced users

Vista

Quaternion

Qt-based client for Matrix networks

Vista

Ruqola

Rocket Chat Client

Vista

Smuxi

Chat with other people on IRC, Twitter, Jabber and Campfire

Vista

Srain

Modern IRC client written in GTK

Vista

Telegram Desktop

Fast. Secure. Powerful.

Vista

Tokodon

A Mastodon client

Vista

Yaics

GNU social microblogging client

Vista