[_-david-_]

There is an unofficial FOSS version. I'm not sure if it is feature complete, secure, etc.

https://github.com/Telegram-FOSS-Team/Telegram-FOSS

[folmar]

It is. It's the official app with misfeature removed.

[_-david-_]

It is still unofficial

>This is an unofficial, FOSS-friendly fork of the original Telegram App for Android.