Subcategory: Instant Messengers
Platform: Android, iOS, Linux, OS X, Web interface, Windows
Programing language: C++
First release: 2013 ?
Telegram – an open source messaging app with a focus on speed and security which is available for several platforms, such as: Linux, OS X, Windows, Android, iOS, and as a web based application as well. Telegram can be used on all your devices at the same time — your messages sync seamlessly across any number of your phones, tablets or computers.
Users can send messages and exchange photos, videos, stickers and files of any type. Telegram also provides optional end-to-end-encrypted messaging. The official clients (applications) are open-source but the server-side code is closed-source and proprietary.
The main features of Telegram are:
– messages are heavily encrypted and can self-destruct
– lets you access your messages from multiple devices
– delivers messages faster than any other application
– servers are spread worldwide for security and speed
– has an open API and protocol free for everyone
– is free forever. No ads. No subscription fees
– keeps your messages safe from hacker attacks
– has no limits on the size of your media and chats
– lets you coordinate groups of up to 100000 members
– lets you destruct your messages with a timer
– stores your media in the cloud