SWI-Prolog Solution b.v. helps businesses to build and deploy solutions based on the SWI-Prolog open source (BSD-2) implementation of the Prolog programming language. SWI-Prolog provides many extensions over the ISO core language. It has a large, long standing and active community. The company provides commercial services to make the system work for you. Some examples of services we offer are providing enhancements or extensions, adapters that connect SWI-Prolog to your IT infrastructure, additional open source or proprietary libraries, advice on how to handle your problem using Prolog or implementation of a demonstrator.