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ThreemaTelegram Desktop
Paid

A one-time purchase is required. Business plans are separate.

 Freemium

Free to use. Telegram Premium is an optional subscription for larger uploads, faster…

Windows, macOS, Linux, Android, iOS, Web Windows, macOS, Linux
  • No phone number or email required; the ID is random
  • Apps are open source and the company is based in Switzerland
  • Official client with published source and build instructions
  • Cloud chats sync instantly across every device you sign in on
  • A one-time purchase is required for each platform
  • Smaller user base than the mainstream encrypted messengers
  • Ordinary chats are not end-to-end encrypted and Telegram holds the keys
  • Secret chats are not available in the desktop client
Downloadable app Downloadable app
Open source Open source
License: AGPL-3.0 License: GPL-3.0
Not stated if an account is needed Account needed
Not stated if it works offline Works offline

Checked September 22, 2026

Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.