Keyboard layout based on the Wijesekara typewriter for Sinhala script. The Chinese National Standard on Tibetan Keyboard Layout standardises a layout for the Tibetan language in China. The first version of Microsoft Windows to support the Tibetan keyboard layout is MS Windows Vista. The layout has been available in Linux since September 2007. Mac OS-X introduced Tibetan Unicode support with OS-X version 10.5 and later, now with three different keyboard layouts available: Tibetan-Wylie, Tibetan QWERTY and Tibetan-Otani. The Bhutanese Standard for a Dzongkha keyboard layout standardizes the layout for typing Dzongkha, and other languages using the Tibetan script, in Bhutan. This standard
Dvorak Simplified Keyboard layouts for English such as Colemak, but also for other languages such as the German Neo and the French BÉPO. Over the decades, symbol keys were shifted around the keyboard resulting in variations of the Dvorak design. During 1982, the American National Standards Institute (ANSI) implemented a standard for the Dvorak layout known as ANSI X4.22-1983. This standard gave the Dvorak pattern official recognition as an alternative to the QWERTY keyboard. The pattern standardized by the ANSI differs from the original or "classic" pattern devised and promulgated by Dvorak. Indeed, the pattern promulgated publicly by Dvorak differed slightly from the