CSI Forensics
- Extensive collection of fan fiction categorized by show, relationship, and crossover.
- http://www.csi-forensics.com/

Crimelab.NL
- Contains an episode guide, quotes, facts, wallpapers, screen shots and message board for CSI, CSI: Miami, and CSI: New York.
- http://www.crimelab.nl

European CSIforum
- European forum dedicated to the three series. Includes schedule, episode guides, and cast biographies.
- http://www.csiforum.no

CSI-Search.net
- Directory providing links to sites focusing on cast members, fan fiction, and each of the three series.
- http://csi-search.net

CSI-Fan
- Including the news, episode guides, cast biographies, and downloads for CSI and CSI Miami.
- http://home.iprimus.com.au/emery_s/csi-fan/

CSI Files
- Daily updated news, episode guides, a discussion board, and reviews on all the three shows.
- http://www.csifiles.com/

CSIguide.com
- Focuses on CSI: Crime Scene Investigation and CSI: Miami. Includes news, articles, episode guide, cast information, message forum, and schedule of forthcoming episodes for Ireland, the UK, and the US. Registration required for forum.
- http://www.csiguide.com