CentralNotice Cryptocat From Wikipedia, the free encyclopedia Jump to: navigation , search Cryptocat Screenshot of Cryptocat 2.1.5 Original author(s) Nadim Kobeissi Developer(s) Cryptocat contributors [ 1 ] Initial release 19 May 2011 ( 2011-05-19 ) Stable release 2.2.2 / June 12, 2014 ; 25 days ago ( 2014-06-12 ) Written in JavaScript , Objective-C Operating system Cross-platform Available in English , Arabic , Bulgarian , Burmese , Chinese , Danish , Dutch , Farsi , French , German , Greek , Hebrew , Hungarian , Italian , Japanese , Korean , Latvian , Norwegian , Polish , Portuguese , Romanian , Russian , Slovenian , Spanish , Swedish , Tibetan Type Secure communication License Affero General Public License Website crypto.cat Cryptocat is an open source web and mobile application intended to allow secure, encrypted onl...