Acknowledgments

Next to the ISP's that provide the PoPs, the SixXS project uses many existing and well-known software products which we would have had to create if it didn't exist before and wasn't available to us.

Amongst others we really would like to thank the following organizations/products (in alphabetical order):

Concepts ICT
They provide the hardware, connectivity and bandwidth for both noc.sixxs.net and gatey.sixxs.net, the first being our central server, the second is the host that amongst others runs the IPv6Gate, this next to them providing their nlams01.sixxs.net PoP.

http://www.concepts-ict.nl

CAcert
CAcert is the organisation which enables everyone to have a free SSL certificate.

http://www.cacert.net

Debian
A great distribution, which we use on the central machine and varous PoPs.

http://www.debian.org

FamFamFam Silk Icons
SixXS Staff are no designers, fortunately there are people who are and who are then also really good at it. Mark James is one of these people and he created the Silk icon set, which is free to use.

http://www.famfamfam.com/lab/icons/silk/

FreeBSD
Used on the various PoPs.

http://www.freebsd.org

KAME
Probably the best IPv6 stack on the planet.

http://www.kame.net

OpenBSD
Used on the various PoPs.

http://www.openbsd.org

PHP
Used for amongst others the website and parts of the backend.

http://www.php.net

PaPHosting
Thanks to Pim and Paul for a great hosting environment.

http://www.paphosting.net

SpamAssassin
Taking care of all the spam that gets send to us.

http://spamassassin.apache.org/