An electronic version of some of the Watchtower Society's publications released from 1970 (english; span vaires between the languages) to date; comes with an extremely good and fast search-tool. Windows is the currently (2012) sole officially supported platform, although Mac and Linux are mentioned to possibly being supported. Currently distributed only through Jehovah's Witnesses congregations worldwide. Distributed in quite some languages, but program functions are believed to be identical for all of them. Menus, data and hotkeys vary between languages.