Completely overhaul the documentation

readthedocs/developing/telegram-api-in-other-languages.rst

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+===============================
+Telegram API in Other Languages
+===============================
+
+
+Telethon was made for **Python**, and as far as I know, there is no
+*exact* port to other languages. However, there *are* other
+implementations made by awesome people (one needs to be awesome to
+understand the official Telegram documentation) on several languages
+(even more Python too), listed below:
+
+C
+*
+
+Possibly the most well-known unofficial open source implementation out
+there by `@vysheng <https://github.com/vysheng>`__,
+`tgl <https://github.com/vysheng/tgl>`__, and its console client
+`telegram-cli <https://github.com/vysheng/tg>`__. Latest development
+has been moved to `BitBucket <https://bitbucket.org/vysheng/tdcli>`__.
+
+C++
+===
+
+The newest (and official) library, written from scratch, is called
+`tdlib <https://github.com/tdlib/td>`__ and is what the Telegram X
+uses. You can find more information in the official documentation,
+published `here <https://core.telegram.org/tdlib/docs/>`__.
+
+JavaScript
+==========
+
+`@zerobias <https://github.com/zerobias>`__ is working on
+`telegram-mtproto <https://github.com/zerobias/telegram-mtproto>`__,
+a work-in-progress JavaScript library installable via
+`npm <https://www.npmjs.com/>`__.
+
+Kotlin
+======
+
+`Kotlogram <https://github.com/badoualy/kotlogram>`__ is a Telegram
+implementation written in Kotlin (one of the
+`official <https://blog.jetbrains.com/kotlin/2017/05/kotlin-on-android-now-official/>`__
+languages for
+`Android <https://developer.android.com/kotlin/index.html>`__) by
+`@badoualy <https://github.com/badoualy>`__, currently as a beta–
+yet working.
+
+PHP
+===
+
+A PHP implementation is also available thanks to
+`@danog <https://github.com/danog>`__ and his
+`MadelineProto <https://github.com/danog/MadelineProto>`__ project, with
+a very nice `online
+documentation <https://daniil.it/MadelineProto/API_docs/>`__ too.
+
+Python
+======
+
+A fairly new (as of the end of 2017) Telegram library written from the
+ground up in Python by
+`@delivrance <https://github.com/delivrance>`__ and his
+`Pyrogram <https://github.com/pyrogram/pyrogram>`__ library.
+There isn't really a reason to pick it over Telethon and it'd be kinda
+sad to see you go, but it would be nice to know what you miss from each
+other library in either one so both can improve.
+
+Rust
+====
+
+Yet another work-in-progress implementation, this time for Rust thanks
+to `@JuanPotato <https://github.com/JuanPotato>`__ under the fancy
+name of `Vail <https://github.com/JuanPotato/Vail>`__.