Edax is a regularly updated Computer Othello program written by Richard Delorme in 1998. The main algorithms applied by the program are bitboard move generator, negascout tree search, multi-probcut selective search, parallel search using the Young Brother Wait concept, and pattern based evaluation function. Edax's source code is available under the terms of the GNU General Public License.
References
Edax (computing) Wikipedia(Text) CC BY-SA