Welcome to the Secure Instant Messenger and Phone

First of all, please read our short User Manual to get acquainted with Simphone.

Cryptographic procedures are described in detail in our Cryptographic Security document.


Feel free to browse our repository or download the Source Code of Simphone.
md5sum: af829af6b214263f40fc811f68e4e283

The compilation process (which also allows you to verify the precompiled executables) is straightforward as described by our Compilation Instructions.

If you want to create a new GUI or another application that uses the functionality of Simphone, you can use the public simcore API.

The structure of the source code and important internal concepts are explained in the Hacking Guide.

Finally, here is a list of features that may be implemented in future.

Questions or comments? Please contact us at info@simphone.org