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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.
This is the complete source code and the build instructions for the official Telegram messenger desktop client, based on the Telegram API and the MTProto secure protocol. The source code is published under GPLv3 with OpenSSL exception, the license is available here.
Fast Telegram delivers messages faster than any other application. Powerful Telegram has no limits on the size of your media and chats. Open Telegram has an open API and source code free for everyone.
Telegram has various client apps, some developed by Telegram Messenger LLP and some by the community. Most of them are free and open-source and released under the GNU General Public Licence version 2 or 3. The official clients support sending any file format extensions.
Telegram Applications. Our apps are open source and support reproducible builds. This means that anyone can independently verify that our code on GitHubis the exact same code that was used to build the apps you download from App Store or Google Play. Developers are welcome to check out our Guide to Reproducible Builds for iOS and Android.
Telegram API. This API allows you to build your own customized Telegram clients. It is 100% open for all developers who wish to create Telegram applications on our platform. Feel free to study the open source code of existing Telegram applications for examples of how things work here. Don't forget to register your application in our system.
General. What is Telegram? Who is it for? How is it different from WhatsApp? How old is Telegram? Is it available on my device? Who are the people behind Telegram? Where is Telegram based? How do you make money? What are your thoughts on internet privacy? What about GDPR? Do you process takedown requests? Do you process data requests?
Feb 2, 2024 · Telegram has an open API and protocol free for everyone, but the backend software is not open source. Therefore 100% privacy can not be evaluated. See More
Apr 27, 2024 · Open source apps and Telegram Database Library. Self-destructing messages. Users can be logged in on multiple devices simultaneously. Supports Two-Step Verification. GDPR compliant. – Cons. Registration requires a phone number. E2E encryption only for Secret Chats. Servers are not open source.
Our apps are open source and support reproducible builds. This means that anyone can independently verify that our code on GitHub is the exact same code that was used to build the apps you download from App Store or Google Play.
