Psi

Psi is an instant messaging application for Windows, Linux, and Mac OS X that connects to the free, open XMPP network. Localized versions of Psi are available in almost twenty different languages.

Free
Open Source
Mac OS X
Windows
Linux
BSD

Psi is an instant messaging application for Windows, Linux, and Mac OS X that connects to the free, open XMPP network.

Localized versions of Psi are available in almost twenty different languages. Builtin support for the Unicode international text standard allows you to send and receive messages in virtually any language.

Links to official Psi sites

Features

The Best 5 Psi Alternatives

group-chat filter is active.

971 Like

Telegram

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful. .

Free Mac OS X Windows Linux Android iPhone Web Blackberry Mac Windows Mobile

Portable Privacy protection Ad free Built in File transfer IFTTT integration Works Offline Share files Video calling Voice Call Cloud sync Multiple Account support Lightweight Group chat Multi Device Support Voice messages Search by tags Support for Themes Chat Bot Encrypted chat Photo Sharing Public groups chat Push to talk Anonymous Secure Filesharing End to end encryption Self destructing messages Share Videos Based on phone number Stickers Send Big files Portable Linux In Game Overlay Built in Photo editor Encrypted calls Encrypted VoIP calls GPS Location Tracking Messages in cloud Persistent History Secret chats
180 Like

Facebook Messenger

Facebook Messenger is a faster way to message. Reach friends right on their phones, get and send messages fast, message everyone at once and more.

Free Windows Android iPhone Android Tablet iPad Web Blackberry Apple Watch

Video calling Voice Call Group chat
51 Like

Gajim

The goal of Gajim is to provide a full featured and easy to use Jabber client. Gajim works nicely with GNOME, but does not require it to run. It is released under the GNU General Public License.

Free Open Source Mac OS X Windows Linux BSD Xfce

Video calling Multiple languages Tabbed interface Group chat Encrypted chat OTR Supports XMPP
29 Like

Spark

Spark is an Open Source, cross-platform IM client optimized for businesses and organizations. It features built-in support for group chat, telephony integration, and strong security.

Free Open Source Mac OS X Windows Linux Self-Hosted

Extensible by Plugins/Extensions Tabbed interface Group chat
4 Like

Messenger Lite

Messenger Lite is a fast and data-efficient messaging app to reach the people in your life. Installs quickly. It's less than 10MB to install, saving storage space...

Free Android Android Tablet

Voice Call Lightweight Group chat Stickers

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Psi

Links to official Psi sites

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The Best 5 Psi Alternatives

Telegram

Facebook Messenger

Gajim

Spark

Messenger Lite

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