The `cffi` package is an extension that implements a Foreign Function Interface for Tcl. Current version as of 2022-08-18 is 1.1.0. * [Repository](https://github.com/apnadkarni/tcl-cffi) * [Documentation](https://cffi.magicsplat.com) * [Downloads](https://sourceforge.net/projects/magicsplat/files/cffi) * [A gentle introduction](https://www.magicsplat.com/blog/cffi-libzip/) Packages based on `cffi` include * [lg2](lg2) - A wrapper for libgit2 * [haru](haru) - A wrapper for the Haru PDF generation library * [libzip](https://github.com/apnadkarni/tcl-cffi/examples) - A wrapper for libzip