Active IETF Working Groups  
   A list of Working Groups and their web addresses.
   http://www.ietf.org/html.charters/wg-dir.html

DELOS Working Group  
   The DELOS Working Group, part of the ERCIM Digital Library Initiative stimulate research activities in areas which are relevant for the efficient and cost-effective development of digital library systems.
   http://www.iei.pi.cnr.it/DELOS/

IETF HTML Working Group  
   IETF Hypertext Markup Language (HTML) Working Group
   http://www.ics.uci.edu/pub/ietf/html/

CEN/TC 251 Working Groups  
   XML Working Group / Task Force
   http://www.centc251.org/WItems/TFXml/Tfxml.htm

D-Lib Working Groups, Metadata  
   This group studies metadata used to describe and manage information in the digital library.
   http://www.dlib.org/groups/metadata.html

CPSR Y2K Working Group  
   The CPSR Y2K Working Group website is filled with up-to-date information on the Year 2000 Problem. Contingency planning & individual preparedness guidelines.
   http://www.cpsr.org/program/y2k/

PingER Tools from the ICFA-NTF  
   A Working Group on Monitoring PingER.
   http://www.slac.stanford.edu/xorg/icfa/ntf/tool.html

SIG-Ada Reuse Working Group  
   ReuseWG of SIG-Ada is organized to provide an exchange of information regarding technical, legal, managerial, cultural and education aspects of software reuse.
   http://info.acm.org/sigada/WG/reusewg/reusewg.html

IETF - URI Working Group  
   IETF Uniform Resource Identifiers Working Group
   http://www.ics.uci.edu/pub/ietf/uri/

IETF - HTTP Working Group  
   IETF Hypertext Text Transfer Protocol Working Group
   http://www.ics.uci.edu/pub/ietf/http/

IETF WEBDAV  
   IETF WEBDAV Working Group
   http://www.ics.uci.edu/pub/ietf/webdav/

UMTF/X11 Working Group  
   This is the home page of the CERN / UMTF / X11 Working Group.
   http://wwwinfo.cern.ch/umtf/working-groups/X11/

IITF Committees and Working Groups  
   Organizational Structure of the working groups with descriptions and contact information.
   http://www.ibiblio.org/nii/NII-Task-Force.html

APEC Telecommunications and Information Working Group  
   Group working to improve the telecommunications and information infrastructure in the Asia-Pacific region.
   http://www.apecsec.org.sg/content/apec/apec_groups/working_groups/telecommunications_and_information.html

IPv6 Working Group (IPv6 WG)  
   Technical and inovative researches for the next generation Internet protocol IPv6.
   http://www.wide.ad.jp/wg/ipv6/