Ссылки на скачивание GtkRadiant 1.4.0
http://www.akksimo.net/files/HLprograms/GtkRadiantSetup/GtkRadiantSetup-1.4.0-Q3RTCWET.part1.rar
http://www.akksimo.net/files/HLprograms/GtkRadiantSetup/GtkRadiantSetup-1.4.0-Q3RTCWET.part2.rar
http://www.akksimo.net/files/HLprograms/GtkRadiantSetup/GtkRadiantSetup-1.4.0-Q3RTCWET.part3.rar