Cyrano
- A strong Othello applet
- http://perso.orange.fr/othello/english/

Kurnik
- Offers real-time playing, game archives, and chat.
- http://www.kurnik.org/intl/en/reversi/

Ajax
- Java othello applet with a friendly interface and a very strong engine.
- http://abulmo.club.fr/ajax-en.htm

Interjeux - Othello/Reversi
- An online playing version of the Othello/Reversi game.
- http://www.interjeux.net/jeux/othello

MSN Reversi
- Multiplayer game play. Includes game overview and competitive tournaments.
- http://zone.msn.com/en/reversi/

Kelly's JavaScript Othello Game
- Variant with game play options including one, two, and no player games.
- http://www.posi.net/software/othello/

Java Othello Openings
- Large catalog of othello openings, viewable in a java applet.
- http://www.othello.nl/content/anim/anim.html

Othello
- Java applet with different levels of AI and an introduction to strategy.
- http://www.site-constructor.com/othello/

Neave's Webgames - Hexxagon
- A variation of the game when the board is at an angle.
- http://www.neave.com/webgames/hexxagon/

Online Reversi Games
- A comprehensive collection of online reversi games, including both single-player and multi-player versions.
- http://boardgamecentral.com/reversi/online.html

GameSite 2000 Reversi
- Online reversi with chat, customizable graphic interface, and play against live or internet opponents.
- http://www.gamesite2000.com/reversi.htm