SWI-Prolog

Utilities · Dev tools

Windows

A widely used implementation of the Prolog logic programming language with a large standard library, a graphical debugger and an HTTP server framework.

Get it

Download from the developer GitHub

The promise

✓ No ads
✓ No purchases
✓ No subscriptions
✓ No trials
✓ No nagging
✓ No surprise bundles

Transparency

✓ Open source

Something wrong?

Reports go to a human review queue. No timeline promised — this is a small pilot, but every report gets read.