Psi is an Open-source Free Messenger over XMPP Network
Psi is a free instant messaging application designed for the XMPP network. Fast and lightweight, Psi is fully open-source and compatible with Windows, Linux, and macOS.
Psi's unrivaled Unicode support and localizations, seamless file transfers, customizable iconsets, and a myriad of other exceptional features will swiftly demonstrate why users globally are transitioning to free, open instant messaging.
Features
- Connects to the free, open XMPP network
- Compatible with Windows, Linux, and macOS
- Takes advantage of each operating system's unique features for a first-class IM experience
- Fast and lightweight design
- Localized versions available in almost twenty different languages
- Built-in support for the Unicode international text standard
- Highly customizable appearance
- Option to customize toolbars, keyboard shortcuts, and other features
- Automatically encrypts communication with compatible IM servers using SSL technology
- Can encrypt messages end-to-end with OpenPGP, OMEMO, OTR for advanced security needs
- Active involvement of developers in the XMPP community ensures full support for features like avatars, multi-user chats, remote client control, and more
- Dozens of plugins and add ones
Platforms
- Windows
- macOS
- Linux
License
GNU General Public License version 2.0 (GPLv2)
Resources & Downloads
Psi+
Download Psi+ for free. Psi+ Project — development branch of Psi XMPP client. Psi is a cross-platform powerful XMPP client designed for experienced users. Psi+ is a development branch of Psi XMPP client.
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