So good!

nice

Super! Robią naprawdę dobrą robotę.

muy bueno y entretenido de usar
me gusta que puedas usar palabras que usas pero que no son del diccionario

A really good resource for me as a non-native speaker in English and Swedish. Would be good if you could choose between different "stiles" (academic writing, report e.g.). Therefore only 4 stars, but maybe I am too picky.

хорошо работает

Superb

Forse uno dei più comodi e funzionali estensioni di Firefox.
Davvero consigliato!

Great extension to correct grammar of russian language, far from perfect, but works good enough