Boyeg keyboard

Commercial product by Keyboard Africa providing Unicode characters for various African languages while pressing Fn.

Esc
mode : numeric row shift ~ ◌̧ ! ◌̀ @ ◌́ # ◌̩ $% ° ^ ◌̇ & ◌̈ * ◌̃ ( ◌̂ ) ◌̌ _ ◌̄ + ◌͆
mode : numeric row ` § 1 ¬ 2 ¤ 34 £ 56 ◌̣ 7 ◌̤ 8 ◌̰ 9 ◌̭ 0 ◌̬ - ◌̱ = ◌̪
mode : top row shift Q Ɵ W Ɛ E Ǝ R Ɍ T Ʈ Y Ƴ U Ʊ I Ɨ O Ɖ P Ƥ {} μ
mode : top row q ɵ w ɛ e ǝ r ɍ t ʈ y ƴ u ʊ i ɨ o ɖ p ƥ [ ]
mode : home row shift A Ʌ S Ʃ D Ɗ F Ƒ G Ɂ H Ħ J Ɉ K Ƙ L Ɩ : Œ " |
mode : home row a ʌ s ʃ d ɗ f ƒ g ɂ h ħ j ɉ k ƙ l ɩ ; œ ' \
mode : bottom row shift Z Ʒ X Ɣ C Ɔ V Ʋ B Ɓ N Ŋ M Ɲ < « > » ? Æ
mode : bottom row z ʒ x ɣ c ɔ v ʋ b ɓ n ŋ m ɲ , . / æ

similar
transliterates (mostly) into the unmodified letter
latin
a different (accented) latin letter
symbol
other character not directly deducible from key
punctuation
(punctuation) mark
combining
diacritical mark to be combined with a following character