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).

Native GUI tools for Linux (Wayland or X11), MacOS (Cocoa) and Windows (Win32) based on SDL3, Cairo and Pango. This provides a future-proof uniform system accross all platforms with better text …

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.

SWI-Prolog is a free implementation of the programming language Prolog, commonly used for teaching and semantic web applications.

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 …

Prolog or PRO gramming in LOG ics is a logical and declarative programming language. It is one major example of the fourth generation language that supports the declarative programming paradigm. This …

Apr 2, 2025 · Prolog is a logic programming language largely used for artificial intelligence (AI) application development and research. It uses a declarative programming approach, making it …