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Telegram Applications

Telegram apps are open source and support reproducible builds. Anyone can independently verify that Telegram apps you download from App Store or Google Play were built using the exact same code that we publish.

Mobile apps

Desktop apps

Web apps

Telegram Database Library (TDLib)

  • TDLib – a cross-platform client designed to facilitate creating custom apps on the Telegram platform.
  • Telegram X for Android – a slick experimental Telegram client based on TDLib.

Unofficial apps


Source code

For the moment we are focusing on open sourcing the things that allow developers to quickly build something using our API. We have published the code for our Android, iOS, web and desktop apps (Win, macOS and Linux) as well as the Telegram Database Library.

This code allows security researchers to fully evaluate our end-to-end encryption implementation. It is also possible to independently verify that Telegram apps available on Google Play and App Store are built using the same code that we publish on GitHub.

Telegram Database Library

Cross-platform library for building custom Telegram apps, see TDLib for details.
Licensed under Boost 1.0.
GitHub »

Telegram for Android

Official Android App, see Google Play Market page for full description.
Licensed under GNU GPL v. 2 or later.
GitHub »
Download APK File »

Telegram for iOS

Licensed under GNU GPL v. 2 or later.
GitHub »

Telegram for macOS

Native macOS client.
Licensed under GNU GPL v. 2.
GitHub »

Telegram for Web browsers
Telegram React

JavaScript client for browsers. Mac, Windows, Linux.
Licensed under GNU GPL v. 3.
GitHub »

Telegram Desktop

Qt-based desktop client. Mac, Windows, Linux.
Licensed under GNU GPL v. 3.
GitHub »

Telegram for WP

Licensed under GNU GPL v. 2 or later.
GitHub »

Telegram X for Android

Alternative Telegram client for Android based on TDLib.
Licensed under GPL v.3.0
GitHub »

Unofficial apps

Telegram CLI (Unofficial)

Linux Command-line interface for Telegram.
Licensed under GNU GPL v. 2.
GitHub »

Unigram (Unofficial)

A Telegram client optimized for Windows (desktop and Xbox).
Licensed under GNU GPL v. 3 or later.
GitHub »

MadelineProto (Unofficial)

A PHP MTProto Telegram client.
Licensed under GNU AGPL v. 3.
GitHub »


Bug Bounty Program

Telegram welcomes developers and the security research community to audit its services, code and protocol seeking vulnerabilities or security-related issues. Learn more about our Bug Bounty Program here.