Psi is an open source instant messaging application designed for the Jabber (XMPP) IM network. This software enables you to chat using Google Talk, LiveJournal and many other groups. Jabber (or XMPP) is an open instant messaging protocol that drives the world’s largest open IM network.
Psi has full Unicode support, and supports most important XMPP features like file transfer, group chat, encryption etc.
As Jabber allows gateways to other services, which many servers support, it can also connect to other networks. Other services available using gateway servers include RSS and Atom news feeds, sending SMS messages to cellular networks and weather reports.
- Highly customizable client.
- Fast and lightweight.
- Voice calls.
- Tabbed Chats.
- Group Chat (Multi User Chat).
- Service Discovery allows you to:
- add the ability to talk to friends who use other instant messengers.
- find a friend who uses Jabber.
- create or join a conference room where multiple people can chat together.
- other things, as Jabber is an extensible protocol and anything can be added in the future.
- Encrypted communications with SSL technology.
- File transfers between other XMPP clients.
- Advanced Features:
- XML Console.
- Encrypt messages with OpenPGP.
- SSL Certificates.
- Plugins – with GnuPG, OTR and OMEMO encryption of private messages.
- Message history browser.
- TURN proxying for voice calls.
- Keybindings for almost every function.
- Cross-platform support – runs on Linux, macOS, Windows, and Haiku operating systems.
- Internationalization support – Chinese, Czech, English, French, German, Macedonian, Polish, Portuguese, Russian, Spanish, Ukrainian, and Vietnamese. Converse with accents, symbols, and right-to-left text
There is a WebKit version of Psi IM which offers some additional features (in comparison with the standard version of Psi): support of animated emoticons, support of (adium) themes in private chats and group chats, support of previewing of images and videos in private chats and group chats, and more.
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