Is there a source code for the ios messenger with a server part?

Question

iOS

Good afternoon, I'm interested in the question of whether there are any source codes for the messenger with the server part for ios, or are there any options for buying

Answer 1

It's strange that no one answered.
Telegram - https://github.com/overtake/telegram
https://telegram.org/apps

Answer 2

Yes, this application and similar ones are only applications without a server part, this is nothing