Telegram Desktop fork with Material Design and other improvements, which is 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

- Included own Material You theme with colorizer (Day, Dark)
- Google Sans font everywhere (except for Arabic characters, they use the Vazir font)
- Material icons instead of default ones
- Replaced all sounds
- Reduced image compression
- Reduced minimum window size
- Reduced timeouts
- Increased upload speed
- Improved spoiler animation
- Show the approximate date of account creation in the profile
- Qt 6 (LGPL) and Qt 5.15 (LGPL) slightly patched
- OpenSSL 1.1.1 and 1.0.1 (OpenSSL License)
- WebRTC (New BSD License)
- zlib 1.2.11 (zlib License)
- LZMA SDK 9.20 (public domain)
- liblzma (public domain)
- Google Breakpad (License)
- Google Crashpad (Apache License 2.0)
- GYP (BSD License)
- Ninja (Apache License 2.0)
- OpenAL Soft (LGPL)
- Opus codec (BSD License)
- FFmpeg (LGPL)
- Guideline Support Library (MIT License)
- Range-v3 (Boost License)
- Vazir font (SIL Open Font License 1.1)
- Emoji alpha codes (MIT License)
- Catch test framework (Boost License)
- xxHash (BSD License)
- QR Code generator (MIT License)
- CMake (New BSD License)
- Hunspell (LGPL)