The Icelandic keyboard layout is different from the standard QWERTY keyboard because the Icelandic alphabet has some special letters, most of which it shares with the other Nordic countries:

The E00 key (left of 1) with AltGr provides either vertical bar | ( OS/2's UK166 keyboard layout, Linux/ X11 UK keyboard layout) or broken bar ¦ ( Microsoft Windows UK/Ireland keyboard layout) cedilla (e.g. ç) under c is generated by AltGr+ C, and the capital letter (Ç) is produced by AltGr+ ⇧ Shift+ CThe AltGr and letter method used for acutes and cedillas does not work for applications which assign shortcut menu functions to these key combinations. The \ key on the right side of the keyboard is also the same. | could also be produced by shifting the key on the left side of the keyboard. " ? are produced by shifting the same keys, but ? is mirrored to ؟. On Arabic (102) it's true also for {} which are again mirrored. On most keyboards, € is marked as Alt Gr + E and not Alt Gr + 5 as shown in the image. However, in some keyboards, € is found marked twice. An alternative version exists, supporting all of ISO 8859-1. [25]

In the era of mechanical typewriters, combined characters such as é and õ were created by the use of dead keys for the diacritics ( ′, ~), which did not move the paper forward. Thus the ′ and e would be printed at the same location on the paper, creating é. The current Romanian National Standard SR 13392:2004 establishes two layouts for Romanian keyboards: a "primary" [37] one and a "secondary" [38] one.

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In Linux-based systems, the euro symbol is typically mapped to Alt+ 5 instead of Alt+ U, the tilde acts as a normal key, and several accented letters from other European languages are accessible through combinations with left Alt. Polish letters are also accessible by using the Compose key. The typewriter came to the Czech-speaking area in the late 19th century, when it was part of Austria-Hungary where German was the dominant language of administration. Therefore, Czech typewriters have the QWERTZ layout. The Norwegian keyboard largely resembles the Swedish layout, but the Ö and Ä are replaced with Ø and Æ. The Danish keyboard is also similar, but it has the Ø and Æ swapped. On some systems, the Swedish or Finnish keyboard may allow typing Ø/ø and Æ/æ by holding the AltGr or ⌥ Option key while striking Ö and Ä, respectively. There are four Romanian-specific characters that are incorrectly implemented in versions of Microsoft Windows until Vista came out: In both the number line is identical to the American layout, beside ( ) being mirrored, and not including the key to the left of 1.

US keyboards are used not only in the United States, but also in many other English-speaking places, (except UK and Ireland), including India, Australia, Anglophone Canada, Hong Kong, New Zealand, South Africa, Malaysia, Singapore, Philippines, and Indonesia that uses the same 26-letter alphabets as English. In many other English-speaking jurisdictions (e.g., Canada, Australia, the Caribbean nations, Hong Kong, Malaysia, India, Pakistan, Bangladesh, Singapore, New Zealand, and South Africa), local spelling sometimes conforms more closely to British English usage, although these nations decided to use a US English keyboard layout. Until Windows 8 and later versions, when Microsoft separated the settings, this had the undesirable side effect of also setting the language to US English, rather than the local orthography. Contrary to popular belief, the QWERTY layout was not designed to slow the typist down, [2] :162 but rather to speed up typing. Indeed, there is evidence that, aside from the issue of jamming, placing often-used keys farther apart increases typing speed, because it encourages alternation between the hands. [11] (On the other hand, in the German keyboard the Z has been moved between the T and the U to help type the frequent digraphs TZ and ZU in that language.) Almost every word in the English language contains at least one vowel letter, but on the QWERTY keyboard only the vowel letter A is on the home row, which requires the typist's fingers to leave the home row for most words. There is also an alternative keyboard layout called Norwegian with Sámi, which allows for easier input of the characters required to write various Sámi languages. All the Sámi characters are accessed through the AltGr key.Two keyboard layout that are based on Qwerty are used in Arabic-speaking countries. Microsoft designate them as Arabic (101) and Arabic (102). acute accents (e.g. á) needed for Irish are generated by pressing the AltGr key together with the letter (or AltGr+ '– acting as a dead key combination– followed by the letter). Thus AltGr+ a produces á; AltGr+ ⇧ Shift+ a produces Á. (Some programs use the combination of AltGr and a letter for other functions, in which case the AltGr+ ' method must be used to generate acute accents). The cedilla-versions of the characters do not exist in the Romanian language (they came to be used due to a historic bug). [40] The UCS now says that encoding this was a mistake because it messed up Romanian data and the letters with cedilla and the letters with comma are the same letter with a different style. [41]