Encrypted everywhere. 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.
Run by the community for the community. Kontalk is run by a community of volunteers offering servers and splitting costs among them. Go to the network web site »
Every bit of the software used in the Kontalk network, both server and client, is completely open source. Hosted by Github.