Instant messaging,

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OTR capable clients


Pidgin open source IM client with OTR plugin.

Pidgin

Pidgin is an Open-Source IM client for Windows and GNU/Linux with a plugin for having OTR conversations over many protocols.

Download Pidgin »


Adium - an open source client for Mac OSX.

Adium

Adium is a free and open source instant messaging client for OS X. It has support for various IM protocols and comes with OTR by default.

Download Adium »


Chatsecure - an OTR client for Jabber on Android and iOS.

Chatsecure

ChatSecure, formerly Gibberbot, is a fully featured instant messaging application integrated with “Off the Record” capabilities.

Download Chatsecure at GooglePlay »


Textsecure - a modified OTR protocol for Android.

Textsecure

Textsecure provides a modified OTR protocol over SMS and data networks, however, without interopability with standard Jabber networks. Now for Android, soon for iOS.

Download TextSecure at GooglePlay »


Cryptocat - an OTR client for webbrowsers and smartphones.

Cryptocat

Cryptocat is a fun, accessible app for having encrypted chat with your friends, right in your browser and mobile phone.

Download Cryptocat »


Irssi-OTR - an Irssi OTR plugin.

Irssi-OTR

Irssi-OTR is a plugin for the Irssi client which offers OTR functionality for those who prefer to work from their terminals.

Download Irssi-OTR »

Fork Irssi-OTR on Github »


WeeChat-OTR - an OTR script for the WeeChat client.

WeeChat-OTR

WeeChat is a commandline interface client. It runs on many platforms like Linux, Unix, BSD, GNU Hurd, Mac OS X and Windows (cygwin). Their script ecosystem allows for using various protocols like Jabber and IRC. Also OTR.

Fork Weechat-OTR on Github »


Jitsi - Open Source Video Calls and Chat.

Jitsi

Secure video calls, conferencing, chat, desktop sharing, file transfer, support for your favorite OS, and IM network. All this, and more, in Jitsi.

Download Jitsi »