Faux Paws Productions
- Virtual seasons of the series.
- http://www.skeeter63.org/fpp/

MagPie's Nest
- Sentinel fan fiction by MagPie.
- http://www.magpie-fanfiction.de

Wolfpup's Den
- Fan fiction by a variety of authors. Also includes quotes, mailing lists, zines, links, and a gallery of pages combining images and poetry about friendship.
- http://www.skeeter63.org/~wolfpupsden

TVLIT 101
- Stories by D.L. Witherspoon.
- http://www.skeeter63.org/~tvlit101

Cascade Library
- Large archive with author and title indices, story descriptions, stories in progress, writer's services, a search engine, and interviews with authors.
- http://www.skeeter63.org/~tslibrary

Graywulf's Home of SF/Fantasy
- Offers fan fiction from various authors.
- http://fandom.ljsmith.ca/index.shtml

Black Panther Productions
- Fan created episodes continuing the series.
- http://www.blackpantherproductions.org/

Novation Productions
- Virtual season in which Blair Sandburg did not become a detective.
- http://novation.danawheels.net/

The Sentinel
- Fan fiction by various authors, including several series like the GDP series and Jacob's Ladder series.
- http://www.susans-stories.co.uk/