Paper Plane is an alternative Telegram client. It uses libadwaita for its user interface and strives to meet the design principles of the GNOME desktop.

Nekogram is an open-source third-party Telegram client with not many but useful mods.

Kotatogram Desktop is an modified version of official Telegram Desktop app. Aside from having all features that official app does, it has some more features, such as:

The third-party Telegram android app.

Telegram Desktop fork with Material Design and other improvements, which is based on the Telegram API and the MTProto secure protocol.

AyuGram is a Telegram client focusing on improving life with features that can't be implemented in regular clients.

Supercharged Telegram experience — unlocked, feature-rich, secure messaging.

Open-source, privacy-first, with a non-custodial multichain wallet, a built-in AI assistant and Agent Marketplace, escrow payments, and a trusted reputation — all inside your chats.

This project won the first prize 🥇 at Telegram Lightweight Client Contest and now is an official Telegram client available to anyone at web.telegram.org/a.

Telegram Web K, GPL v3.

64Gram (unofficial Telegram Desktop).

The third-party Telegram android app. Contribute to NekoX-Dev/NekoX development by creating an account on GitHub.

Fork Client is a fork of the official Telegram for Android application.

Chat with friends, start group chats and share all kinds of content. All of your messages and conversations are stored in Telegram's cloud.

Telegram X is an official client, but added to the list nonetheless.

Combine and manage multiple messaging and chat services in one interface with customizable tabs, notifications, and cross-platform support for Mac, Windows, and Linux.

exteraGram - the unofficial modification is based on two versions, the official sources and the unofficial FOSS-modification of Telegram.