http://www.ubuntu.com ZevenOS is based upon Ubuntu.
http://www.xubuntu.com The XFCE Variant of Ubuntu which is the base for ZevenOS releases.
http://www.ubuntuusers.de German Usergroup with lots of help and a nice wiki.
http://www.spielen-unter-linux.de German linux gaming forum & wiki.
http://www.lxde.org LXDE a lightweight desktop for linux. Some parts are used by ZevenOS-Neptune’s lowmemory mode.
http://www.debian.org Debian our base for ZevenOS-Neptune. Ubuntu is also based upon Debian.
http://www.haiku-os.org ZevenOS is inspired by Haiku which is a opensource successor for the BeOS.
http://www.fluxbox.org ZevenOS-Neptune uses this lighweight window manager for its lowmemory mode.
http://sawfish.wikia.com This powerful window manager is used by ZevenOS.