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Download SWI-Prolog stable versions

linux.png Linux versions are often available as a package for your distribution. We collect information about available packages and issues for building on specific distros here. We provide a PPA for Ubuntu and snap images

Android.png Android binaries are available for Termux as the package swi-prolog. See also Building SWI-Prolog on Android using LinuxOnAndroid

windows.jpg Please check the windows release notes (also in the SWI-Prolog startup menu of your installed version) for details.

WIP.png Examine the ChangeLog.


Binaries
Windows version (64-bits)12,469,294 bytesSWI-Prolog 8.4.0-1 for Microsoft Windows (64 bit)

Self-installing executable for Microsoft's Windows 64-bit editions. Requires at least Windows 7. See the reference manual for deciding on whether to use the 32- or 64-bits version. This binary is linked against GMP 6.1.1 which is covered by the LGPL license.

SHA256:707f0de518dba327a6776e755470e49ee39917c443b4707b30f7fe44e6b5cecb
Windows version (32-bits)12,452,305 bytesSWI-Prolog 8.4.0-1 for Microsoft Windows (32 bit)

Self-installing executable for MS-Windows. Requires at least Windows 7. Installs swipl-win.exe and swipl.exe. This binary is linked against GMP 6.1.1 which is covered by the LGPL license.

SHA256:c32f01520b70a232d4b672d8c0aaac62b26f4e8803cf74f8175a48353766c2a5
MacOS bundle28,189,668 bytesSWI-Prolog 8.4.0-1 for MacOSX 10.12 (Sierra) and later on intel

Installer with binaries created using Macports. Installs /opt/local/bin/swipl. Needs xquartz (X11) and the Developer Tools (Xcode) installed for running the development tools

SHA256:51815bd2c614f53df4c1a53d8e5b5f16bbfb4f670a1fdf5b1fefcc0f473d5cd0
Sources
Source archive11,348,919 bytesSWI-Prolog source for 8.4.0

Sources in .tar.gz format, including packages and generated documentation files. See build instructions.

SHA256:bff0396f827af3d3351eed0582a99cbcd0a66d14a2f5bbf4aeef22332714709f
Documentation
PDF file2,895,543 bytesSWI-Prolog 8.4.0 reference manual in PDF

SWI-Prolog reference manual as PDF file. This does not include the package documentation.

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Install scripts may download the SHA256 checksum by appending .sha256 to the file name. Scripts can download the latest version by replacing the version of the file with latest. This causes the server to reply with the location of the latest version using an HTTP 303 See Other message.

SWI-Prolog version 8

The SWI-Prolog 8.0 major release marks mostly a milestone for the internals, stability, deployment options and maintainability of the system. SWI-Prolog extensions and incompatibilities wrt. traditional Prolog are described in extensions.

SWI-Prolog 8.4.x Adds interfaces to Redis and STOMP micro services, isolated transactions and additional thread synchronization, new support for deterministic coding using $/0, $/1 and det/1 and monotonic tabling.