IPv6 implementations (2)

End node 
Linux: kernel is IPv6 ready (2.1 or later)
Need to reinstall most of the userlands
Status depends on the distro you are using
BSD: all *BSDs are ready
Windows NT: MS Research release
Windows 95/98: Hitachi Toolnet6, Trumpet Fanfare
Windows XP: disabled by default (for developers), near-future service pack will enable it
Solaris: ready since Solaris 7
MacOS X: 10.2 is IPv6 ready (for developers), 10.3 is fully IPv6-ready
DEC/Compaq, IBM AIX

Many of the implementation can become routers

IPsec on IPv6
KAME, NRL, MSR IPv6, IBM AIX