SIDney on-line
- A website which collects GK material using a flash-based interface with the look of the old SIDney engine. Requires Flash Player.
- http://www.sidney.nfo.sk/

The Crazy Owl Gabriel Knight Pages
- Fan site dedicated to the Gabriel Knight Series. Features walkthroughs, downloads, extras from the games, interviews and links to other sites.
- http://gabrielknight.bravehost.com

GK4ever.com
- A flash based website featuring uncommon GK-related material such as the GK Sightseeing Tour, interviews, polls and a GK4 petition.
- http://www.gk4ever.com

Mosely
- Interviews, pictures and fan fiction with the New Orleans detective.
- http://users.tpg.com.au/kennsj/mosely/

Gabriel Knight
- All about this series. Brief game descriptions, downloads, links and screen shots from the games.
- http://www.gabrielknight.mysteria.cz

Just Adventure: Everything You Ever Wanted to Know About Gabriel Knight ...
- Amit Shah discusses what has made the series successful. Contains spoilers for the first two games.
- http://www.justadventure.com/articles/Everything_About_GK/Everything_About_GK.shtm

Adventureland: Gabriel Knight
- Information about the games in the series.
- http://www.if-legends.org/~adventure/Sierra_On-Line,_Inc/GabrielKnight.html

The Domain of Schattenjägers - A Tribute to Gabriel Knight
- Fan page for the games. Includes sound files, desktop themes, fan fiction and some hints on playing Gabriel Knight 1 and 2.
- http://hosted.ray.easynet.co.uk/gk/index.html