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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)12,484,490 bytesSWI-Prolog 8.4.1-1 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.

SHA256:212271267caf0b914534519d4a553feb8e4608979d635cfaba63c125461084e5
Windows version (32-bits)12,472,021 bytesSWI-Prolog 8.4.1-1 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.

SHA256:17355cd21f82d3778db53d772ab9c6c2f4df065653bbab36105ba3d4321811f9
MacOS bundle28,195,489 bytesSWI-Prolog 8.4.1-1 for MacOSX bundle 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

SHA256:1b9c62caa781818a0dafd1d822ab563b8c10c7cd018ce10a3b71f900eb3a434f
Sources
Source archive11,386,908 bytesSWI-Prolog source for 8.4.1

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

SHA256:30bb6542b7767e47b94bd92e8e8a7d7a8a000061044046edf45fc864841b69c4
Documentation
PDF file2,906,009 bytesSWI-Prolog 8.4.1 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.