gtkmm: Free software, GNU Lesser General Public License, Glade Interface Designer, Inheritance (object oriented programming), GUI widget

Miro (software): Internet television, Participatory Culture Foundation, Microsoft Windows, GNU General Public...

GNU Linear Programming Kit: Software package (installation), programming, Mixed integer General Public...

Miranda IM: Multiprotocol instant messaging application, Open source, Free software, Microsoft Windows,...

MP3 Rocket: Peer to peer, Gnutella, File sharing, BitTorrent, GNU General Public...