I have added Hindi, Marathi and Kannada to our translation portal:

https://crowdin.com/project/mastodon

Mastodon — Translation Project on Crowdin

Help us translate Mastodon and bring it to the world!

Crowdin
@Gargron Urdu is Largest spoken language in 220 million Pakistan & by most 200 million Indian Muslim's. Please make.sire you have Urdu language. Which is the parent father language of Hindi
@Revler @Gargron Urdu (Pakisthan) is already there.