QWERTY called "US-International layout" is, in fact, OS-dependent. There exist other layouts that try to overcome this shortcoming. One popular is EurKEY which is available for Windows, OS X and Linux. A dead key is not used, like a grave accent (`) on a QWERTY keyboard, although some people use a dead key. Depending on the operating system and sometimes the application program being used, there are many ways to generate Latin characters with accents independently of the layout in use. Minor changes to the arrangement are made for other languages. There are a large number of different keyboard layouts used
Chorded keyboard application ComboKey Plus enabling e.g. one-hand typing. The EkaPad is a 12-key chorded keyboard operated with the four fingers of one hand. It is supported on the thumb. With the 9 main keys, (operated by the index, middle, and ring fingers), 2 prefix keys and one delete key, the EkaPad can produce all the inputs of a standard qwerty keyboard with one, two, and a few three finger chords. For some characters one or two prefix chords are required. 9 main keys (3×3 matrix) can produce a total of 511 chords. With each of the three fingers limited to its