GoUPnPC is a MiniUPnPC inspired library I am in the process of developping as part of my Bachelor's degree thesis. For the time being only IGDv1 is supported. It offers an API very close to the options provided by the UPnPC command line client.
Documentation is available at http://godoc.org/github.com/nhelke/goupnpc
Copyright (C) 2013 Nicholas Helke This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.