exteraGram

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✈️ exteraGram — Experimental Telegram Client

exteraGram is an experimental, unofficial third-party Telegram client for Android based on the official Telegram for Android source code. It adds additional customization and client-side features while keeping compatibility with the Telegram ecosystem.

💬 Messaging & Chat

exteraGram enhances the standard Telegram experience with additional interface and messaging options, including:

• Advanced chat customization • Additional message and interaction controls • Enhanced navigation • Custom interface elements • Extended chat and media controls • Additional privacy-oriented options

The project also incorporates ideas and features from other Telegram clients and open-source projects, including Catogram, Nekogram and OwlGram.

🎨 Interface & Customization

The client provides additional ways to personalize Telegram, including:

• Custom themes and interface elements • Extended navigation options • Alternative icons and UI components • Additional chat and media controls • Expanded localization

exteraGram follows Telegram for Android's localization system while providing additional strings through its own translation workflow.

🌍 Localization

The project uses Telegram for Android translations as its base and provides additional exteraGram-specific translations through Crowdin.

🔧 Build & Source

exteraGram is based on official Telegram for Android sources and can be built using Android Studio or Gradle.

Users building the project must provide their own Telegram API ID and API hash, Maps API key and application signing key as described by the project documentation.

📱 Android

exteraGram is designed as an Android Telegram client and follows the platform requirements of its Telegram-based codebase.

⚠️ Project Status

The exteraGram repository was archived by its owner on January 28, 2026 and is now read-only. It should therefore be considered an archived/experimental project rather than an actively maintained Telegram client.

📜 License

exteraGram is released under the GNU General Public License v2.0 (GPL-2.0).

The project is an unofficial third-party client based on official Telegram for Android sources. Telegram and its related trademarks, services and intellectual property remain the property of their respective owners.

⚠️ Important

exteraGram is not affiliated with or endorsed by Telegram. You need a Telegram account to use Telegram's services, and availability of Telegram features depends on the official service.

✨ exteraGram provides an experimental third-party Telegram experience with additional customization and client-side features on top of the official Android codebase.