One of the main benefits that Crowdin provides is to be able to control translator input — not only believe that they have translated smth, but actually see it.
Translation and Localization Manager, Ask.fm
Simplify and accelerate translation of mobile & web apps, games & help desks.
Invite your in-house translators, proofreaders, and managers to cooperate on the localization project in Crowdin.
Choose one of the Crowdin Vendors. Professional translation agencies that are ready to bring your product to the world.
Ask your product's community to contribute. Motivate them to help with translations into their native language.