Artnetweb
   One of the first net.art hosts.
   http://www.artnetweb.com/

Asseptic
   Network of projects. A foyer leading to art, design, essays and web experiments.
   http://www.asseptic.org/

Easylife
   Host of various net.art projects, new and old.
   http://www.easylife.org/

Experimental Intermedia
   Experimental Intermedia has been supporting musicians and artists experimenting with "intermedia" since 1968.
   http://www.experimentalintermedia.org/

IPL Pathfinder: Net.art
   A research guide from the Internet Public Library.
   http://www.ipl.org/div/pf/entry/48510

Ljubljana Digital Media Lab
   Open-access media laboratory, an initiative of the Open Society Institute, Slovenia, supporting education and research in many fields related to net.art. Operates a guest program presenting international and local artists.
   http://www.ljudmila.org/

Network Museum and Magazine Project
   International version of the Japanese web site for Dia Nippon Publishing, showcasing diverse web works by new media artists, with theory articles.
   http://www.dnp.co.jp/museum/nmp/nmp_i/eindex.html

Post Media
   A Post Media Network represents the physical and virtual structure composed of editorial, curatorial, and artist projects focusing on the different perspectives of new media using electronic and computer based mediums.
   http://www.michelethursz.com/

Rhizome ArtBase
   Online archive of Internet art projects.
   http://rhizome.org/artbase/

Turbulence
   Facilitates work exploring characteristics of the Web medium, making use of multimedia and online technologies.
   http://www.turbulence.org/

äda 'web
   Research and development platform, digital foundry with artists invited to experiment with, and reflect upon, the web as a medium.
   http://www.adaweb.com/