Green Day Online
- A Fan site with pictures, downloads, videos, news, biography's and facts related to the band.
- http://www.GreenDayOnline.com

Incredible Cool
- Biographies, lyrics, photos, and games.
- http://www.trecool.co.uk/

GeekStinkBreath.net - Green Day Fan Site
- Site with Green Day games, stories, dictionary and a lot of other original content.
- http://geekstinkbreath.net

Warning: A Green Day Site
- A niche community, maintains a Green Day site offering news, information, discography, and media. All backed by a friendly off-topic community.
- http://greenday.smigit.com

1039 Sweet Children
- Includes pictures, news, information, downloads, polls, lyrics, and links.
- http://www.twinholly.net/1039sweetchildren/

86 Tight Wad Hill
- Pictures, individual member and group information, downloads, and see other bands transformed into nimrods.
- http://stoned.at/86tightwadhill

The Green Day Authority
- Fansite features thousands of pictures, news, and media downloads.
- http://www.greendayauthority.com/

Matt's Green Day Page
- Images, media, chat, a forum, lyrics, tablatures, sound clips, information, and links.
- http://www.mattsmusicpage.com/ngreenday.htm

The First Church of Green Day
- Fan club that is based on a religion dedicated to the band.
- http://www.freewebz.com/greendaychurch/

409 Online
- Site has official news and affiliations with the band, information, media, and interaction.
- http://www.greenday.net/