Darwersi is a strong othello game implementation. Darwersi uses a refined alpha-beta search with dynamic search ordering and iterative deepening.
Desdemona is a small Othello-like game using the GTK. It was original written in perl-Tk.
Gothello's AI is implemented using Negamax search with Alpha-Beta pruning, with Iterative Deepening. It has both fixed-depth and fixed-time search modes.
GRhino is a GUI Othello/Reversi game for the GNOME environment. The goal is to have a game with a strong AI, targeted to experienced players.
Hinversi is a version of Reversi or Othello, a board game. It was written from the beginning thinking on modularity, to ease the process of changing and improving the AI engine.
kggs is a KDE interface for playing reversi. It is designed to play online, on the GGS (Generic Game Server), the server for Othello, Amazons, Checkers, Go, Hex, Chess, Dots+Boxes, Domineering, and Ataxx.
KReversi is a simple one player strategy game played against the computer. If a player's piece is captured by an opposing player, that piece is turned over to reveal the color of that player. A winner is declared when one player has more pieces of his own color on the board and there are no more possible moves.
NathanCheckers is a graphical, mouse-driven implementation of Checkers. American Standard Checkers rules are enforced.
Othello is a classic strategy game, also known as Reversi. Its objective is to finish the game with the greater amount of pieces (circles) of the same color. This version of the Othello game supports the writing of AI plugins in C++ or Python, network games, and interface themes.
Othello is a CGI implementation of the game Othello in Perl. The computer color, board, and user's move are encoded in the URL, so no state information is necessary on the server side.
QtHello is an Othello program written in Qt. It's design makes it easy to extend both the computer player and human player interface. It currently has 6 different computer players ranging from completely random to tree search with Alpha-Beta pruning.
Reverzi is another Reversi/Othello Clone implemented in C++ and SDL with a nice skinnable look.
GRhino, or Rhino its former name, is an Othello/Reversi game on Linux and other UNIX-like systems as long as GNOME 2 libraries are installed. What distinguishes GRhino from most other Othello games is that GRhino will be targeted for experienced Othello players. Strong AI is the main focus with some additional good, useful features (like an endgame solver) is planned.
The program includes an AI (Artificial Intelligence) opponent which plays at a very challenging level and is actually quite hard to beat. The AI opponent's strength can therefore be adjusted in several ways to give you a suitable opponent.
Ultimate Othello is an Othello/Reversi game featuring aqua-friendly graphics, full Cocoa interface (on MacOS X) and animations.