https://invisible-island.net/cdk
Copyright © 2013-2022,2026 by Thomas E. Dickey
CDK was originally written by Mike Glover. I extended and improved it. I have also made improvements to the Perl binding. The Perl binding is a set of Perl scripts and a shared library which uses the Cdk library.
NetBSD (pkgsrc) and MacOS Ports have only the obsolete 4.9.13 version.