Produced by native Russian and English speakers, the Verbioso English-Russian Verb Reference System is a useful tool for students and professionals studying the Russian language. Designed specifically for Mac OS, the current version contains 1,462 English verbs; 1,706 Russian verbs; and 40,944 conjugations in the past, present, future, and imperative forms. Users may download the demo for free, or pay a small fee to purchase the full version. Please note that the demo is fully functioning and only differs from the full version by the number of verbs.