Many governments are implementing monitoring programmes of personal correspondence. uTox - simple and convenient program for confidential communication with friends and loved ones.
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The project uTox is a free alternative to Skype, which uses similar to Skype P2P model (P2P peer-to-peer) interaction in the network to distribute messages using cryptographic methods for user identification and protection of transit traffic from interception. The program supports instant messaging, voice and video chat, file transfer and organization of teleconferences.
Installation into Linux Mint:
sudo add-apt-repository ppa:v-2e/tox sudo apt update sudo apt install utox