libgnunetgtk-dev 0.19.0-3 (amd64 binary) in ubuntu mantic

 GNUnet is a framework for secure peer-to-peer networking that does not use any
 centralized or otherwise trusted services. Its high-level goal is to provide a
 strong free software foundation for a global network that provides security
 and in particular respects privacy.
 .
 This package contains the development files for the graphical client, using the
 GTK+ toolkit.