Modern Greek spelling dictionary, thesaurus for LibreOffice/OpenOffice
Project to generate POS tag dictionary for Ukrainian language
Hundreds of ready to use Apache OpenOffice extensions
Check code for common misspellings
A linter and formatter to help you to improve copywriting, etc.
A German word list for GNU Aspell
Spell checking dictionary for Latvian
Persian Spell Checking Dictionary
Hinantin - spell checking / corrección ortográfica
Spell-checking plugin for Notepad++
A lighting-fast prefix tree and DAWG implementation in C and python