Engram-es Spanish keyboard layout

Engram-es is a keyboard layout optimized for comfortable and efficient touch typing in English created by Arno Klein.

An article is currently under review that describes the Engram approach to optimizing keyboard layouts, including development of the Engram-es layout, and you can use the open-source software to create new key layouts optimized for different languages.

The Engram approach is based on language-dependent n-gram frequencies and language-independent typing preferences, using multi-objective optimization informed by crowdsourced typing data. Letters are optimally arranged according to ergonomics factors that promote reduction of lateral finger movements and more efficient typing of high-frequency letter pairs. The most common punctuation marks and special key for diacritical marks (☆) are logically grouped together in the middle columns and numbers are paired with mathematical and logic symbols (shown as pairs of default and Shift-key-accessed characters). See below for a full description.

      [ | = ~ +   <  >   ^ & % * ] \
      ( 1 2 3 4   5  6   7 8 9 0 ) /

        Z H O X  .:  "'  M D B J W -_ #@
        P I E A  ,;  ☆   T S N R K
        F Y Q U  ¿¡  ?!  C L V G
        
☆ + aeiouAEIOU = áéíóúÁÉÍÓÚ (acute accent)
☆ + nN = ñÑ
☆ + cC = çÇ
☆ + Shift         + [letter] = [letter] with a diaresis/umlaut: ü
☆         + AltGr + [letter] = [letter] with a grave accent: è
☆ + Shift + AltGr + [letter] = [letter] with a circumflex: â
AltGr + ( = { (open curly brace)
AltGr + ) = } (close curly brace)
AltGr + 5 = « (open quote/comillas) 
AltGr + 6 = » (close quote/comillas)
AltGr + - = — (em dash)
AltGr + ' = ` (back tick)
AltGr + . = • (middle dot, or "interpunct")
AltGr + s = $ (dollar currency)
AltGr + e = € (euro currency)
AltGr + l = £ (pound currency)

Layout (default, Shift, and AltGr layers)