11 May, 2021

WhatsApp alternatives: Group Messaging Services: FREE, Secure, Encrypted


Sandes:
Sandes is an Indian state-owned freeware instant messaging platform developed by the Government of India. 
It runs on Android, iOS and in web browsers. 
The platform is hosted exclusively at Government infrastructure and both are governed by the rules and regulations of Government of India.

Sandes offers instant messaging, VoIP, File sharing and integration with various Indian Government digital services. 
At present, full features of the platform is only available to verified users


Signal:
Signal is a cross-platform centralized encrypted messaging service developed by the Signal Technology Foundation and Signal Messenger LLC. 
It uses the Internet to send one-to-one and group messages, which can include files, voice notes, images and videos.
It can also be used to make one-to-one and group voice and video calls, and the Android version can optionally function as an SMS app.

Signal uses standard cellular telephone numbers as identifiers and secures all communications to other Signal users with end-to-end encryption. 
The apps include mechanisms by which users can independently verify the identity of their contacts and the integrity of the data channel.

Signal's software is free and open-source. 
Its clients are published under the GPLv3 license, while the server code is published under the AGPLv3.
The official Android app generally uses the proprietary Google Play Services (installed on most Android devices), though it is designed to still work without them installed. 
Signal also has an official client app for iOS and desktop apps for Windows, MacOS and Linux.
Signal is a cross-platform centralized encrypted messaging service developed by the Signal Technology Foundation and Signal Messenger LLC. 

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