(this article is based on this wikipedia article). Freecell Solver is an ANSI C library (accompanied by several command-line programs that are also written in C) that automatically solves layouts of several variants of Solitaire card games. It can solve deals of FreeCell and several variations on this theme (such as Baker's Game, ForeCell, and Seahaven Towers) and also has specialised logic for solving layouts of Simple Simon.