SWI Prolog is described as 'SWI-Prolog offers a comprehensive Free Software Prolog environment for programming software that does logical reasoning. Together with its graphics toolkit XPCE, its development started in 1987 and has been driven by the needs for real-world applications' and is an app in the development category. There are 1 alternatives to SWI Prolog for Windows and Linux. The best SWI Prolog alternative is OpenCyc, which is free.
OpenCyc is a cut-down open version of the Cyc technology, the world's largest and most complete general knowledge base and commonsense reasoning engine. Cycorp, the builders of Cyc, have set up an independent organization, OpenCyc.
United States