Howdy, are your language plugins "Languages for WordPress"

Howdy,

are your language plugins

“Languages for WordPress” and/or

“Select Language At Signup”

compatible with our

-WP V3.6

-Buddypress V1.8.1

-our theme is “BuddyPress Corporate” V1.7.1 –installtion???

Is it necessary to have WP multisite?

Thanks so much for your answer!

Ruediger