Tim's Sega System Tech Site
- Offers information for diagnosing and repairing several Sega systems, such as pin-outs, voltage and polarity, making an RGB monitor, and cleaning cartridges.
- http://www.mrvfone.com.au/sega/

The Rockin'-B
- Homebrew development for SEGA Saturn and VMU. Includes games, demos, emulators for gamers and libs, sourcecode, and tools for developers.
- http://www.rockin-b.de/

SegaFans
- Coverage for Dreamcast, Sega Saturn, and Genesis. Includes reviews, screen shots, movies, and where to purchase games.
- http://www.classicgaming.com/saturn/

Act Select
- Sega Sonic's fansite (written in Japanese and English). Sega's replica fonts (60 kinds), Sonic's history, Goods collection's photo, and Short Flash animation.
- http://www.clavis.ne.jp/~sonic/segasonic/

Gamegear.nl
- Contains hardware and software information of Game Gear, trading, images and some links. Also has collection listings of other Sega systems.
- http://www.gamegear.nl/

Sega Europe
- Official site with news, game information, and console information.
- http://www.sega-europe.com/

Sega.com
- The official Sega website.
- http://www.sega.com

Sega Forever
- Contains reviews, downloads and guides.
- http://www.emulationzone.org/sections/segaforever/