Last Updated on: 28th April 2020, 11:11 am


Web site: ring.cx
Category: Network
Subcategory: Instant Messengers, VoIP Clients
Platform: Android, Linux, OS X, Windows
License: GPL
Interface: GUI
Programing language: C, C++
First release: 2016 ?


Ring (previously: SFLphone) – a free software for universal communication which respects the freedoms and privacy of its users. It is published under the GNU General Public License 3. Ring is developed by Savoir-faire Linux with the help of a global community of users and contributors. Savoir-faire Linux is a Canadian company specialized in Linux and free software. In November 2016, it became part of the GNU Project.

The goals of Ring are:
– a telephone: a simple tool to connect, communicate and share
– a teleconferencing tool: easily join calls to create conferences with multiple participants
– a media sharing tool: Ring supports a variety of video input options, including multiple cameras and image and video files, and the selection of audio inputs and outputs; all this is supported by multiple high quality audio and video codecs
– a messenger: send text messages during calls or out of calls (as long as your peer is connected)
– a building block for your IoT project: re-use the universal communications technology of Ring with its portable library on your system of choice.



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