Czech is a West Slavic language spoken by over 10 million people, primarily in the Czech Republic and Slovakia.
The Duolingo course for Czech for English speakers is in Phase 1. The current (as of April 4, 2017) estimated date of completion is July 7, 2017. 
Keyboard layouts and input methodsEdit
Main article: Guide to keyboard layouts and input methods
- Příručka ústavu pro jazyk český – a language reference page with a wordlist (with forms of words) and explanations on grammar and spelling (in Czech only).