Telegram Applications

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.

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

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

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

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

Telegram for Web browsers

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

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

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

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

Unofficial apps

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

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

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.