MST SSB Transceiver kits

http://www.amateurradio.com/mst-ssb-transceiver-kits/

D-STAR and Digital Networks

http://www.amateurradio.com/dstar-and-digital-networks/

HamRadioCoin, Cryptocurrency over Amateur Radio

http://southgatearc.org/news/2014/november/electronic_coins_via_ham_radio.htm