The gettext-runtime package is partially under the LGPL and partially under the GPL. The following parts are under the LGPL, see file intl/COPYING.LIB: - the libintl and libasprintf libraries and their header files, - the libintl.jar Java library, - the GNU.Gettext.dll C# library, - the gettext.sh shells script function library. The following parts are under the GPL, see file COPYING in the toplevel directory: - the _programs_ gettext, ngettext, envsubst, - the documentation.