Telegram

Related: Slack

Real time mobile chat

Telegram is a cloud-based instant messaging service. Telegram clients exist for both mobile (Android, iOS, Windows Phone, Ubuntu Touch) and desktop systems (Windows, OS X, Linux).[7] Users can send messages and exchange photos, videos, stickers and files of any type. Telegram also provides optional end-to-end-encrypted messaging, which has been criticized by security experts because of its custom nature. The service also has group chats that can be private or public.

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