TightVNC
http://tightvnc.com
http://www.tightvnc.com/download/2.7.10/tightvnc-2.7.10-setup-64bit.msi
UltraVNC
http://uvnc.com/
http://uvnc.com/component/jdownloads/finish/4-setup/291-ultravnc-1210-x64-setup/0.html
