SWI-Prolog offers a comprehensive free Prolog environment. Since its start in 1987, SWI-Prolog development has been driven by the needs of real world applications.

Prolog is a logic programming language that has its origins in artificial intelligence, automated theorem proving, and computational linguistics. [1][2][3] Prolog has its roots in first-order logic, a formal logic.

Jan 25, 2026 · Unlike many other programming languages, Prolog is intended primarily as a declarative programming language. In prolog, logic is expressed as relations (called as Facts and Rules).

This Prolog tutorial is designed for aspiring developers with a need to understand the Prolog in enough detail along with its simple overview and practical examples.

Write, Run & Share Prolog code online using OneCompiler’s Prolog online compiler for free. It’s a simple and intuitive platform to experiment with logic programming in Prolog. OneCompiler supports …

GNU Prolog is a free Prolog compiler with constraint solving over finite domains developed by Daniel Diaz. GNU Prolog accepts Prolog+constraint programs and produces native binaries (like gcc does …

4 days ago · Download SWI-Prolog 10.0.2-1 / 10.1.8-1 Development - A comprehensive Prolog environment that comes with advanced debugging features, code tracing and a set of specialized …