The Sikhism WebRing 
Webring connecting various sites related to Sikhism.
http://www.angelfire.com/pa/sikhs/ring.html5knet
Resource containing wallpaper, musical ecards and basic Sikhism information.
http://www.5knet.com/
Waheguroo Network
Portal offering Sikh based forums, news, blogs, downloads etc.
http://www.waheguroo.com/
Raj Karega Khalsa Network
Multimedia resource site on the Sikh Religion.
http://www.rajkaregakhalsa.net/
Keertan.Org
A large database of all types of gurbani kirtan in audio and video format.
http://www.keertan.org
The Sikher Project
Project Naad, a charitable organisation, offers a desktop program, designed to archive, search and display the Sikh scriptures.
http://www.sikher.com/
JustSikh - Your Online Sikh Community
Resources include hukamnama, forums, blogs, contests etc.
http://www.justsikh.com
Sikhiwiki, Free Sikh Encyclopedia
Sikh encyclopedia containing more than 3,284 articles on Sikhism
http://www.sikhiwiki.org/index.php/Main_Page
