https://github.com/yarnpkg/yarn
https://crowdin.com/project/yarn
https://crowdin.com/profile/onrcnbl
https://yarnpkg.com
I have joined Yarn's open source translation program and translated 582 words and 46 strings. I don't use any translation program , the entire translation is done by myself.
My Working
Posted on Utopian.io - Rewarding Open Source Contributors