Uriminzokkiri (By Our Nation Itself)
The country's #1 official website, updated daily.
http://www.uriminzokkiri.com/

Uriminzokkiri (By Our Nation Itself), English section
An English version of the site above.
http://www.uriminzokkiri.com/Newspaper/English/main.php

Naenara
Official governmental portal available in several languages.
http://www.naenara.kp/

Korea-DPR.com
Official country presentation website for foreigners, maintained by Korea Friendship Association.
http://www.korea-dpr.com/

Anti-Imperialist National Democratic Front
Available in English, hosted in Japan.
http://aindf.dyndns.org/kuguk8/Title1.htm

Korea Friendship Association Blog/Forum
Even though they call it a forum, the site looks and fells more like a blog.
http://www.korea-dpr.com/forum/

Korea Anti-Imperialist Group
Available in Korean.
http://ndfsk.dyndns.org/