Kontalk is a secure instant messenger, allowing you to send and receive text, image and voice messages (other file types coming soon) to and from other Kontalk users completely free of charge.
- Your phone number is your ID. No usernames or passwords. - It automatically finds other Kontalk users by looking at your address book, making it even easier to start chatting on Kontalk with your friends. - End-to-end encryption ensures safe and private conversations, so that only you and the person you are talking to can read them. - Both client-to-server and server-to-server channels are fully encrypted. Users can be safe with end-to-end encryption — servers can't decrypt it. - Your and all phone numbers used on the network are irreversibly encrypted. - It supports multiple devices, making it very easy to start chatting on your phone and continue the conversation on your tablet. - Based on open standards: XMPP and OpenPGP.
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