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From this page you can download the sources of the current Logtalk release, installers for most operating systems, and the latest version of the user and reference manuals.

Older releases are available here (but note that time stamps do not match the release dates due to all the moving of these files between servers along the years).

Note that Logtalk requires a compatible Prolog compiler to be properly installed in order to run. Be sure to install the Prolog systems that you want to use as back-end compilers before installing Logtalk.

Consider registering if you become a Logtalk user.

Logtalk license

Logtalk is an open source programming language, distributed under the GNU GPL 3 license with some additional permissions (for facilitating commercial use). The copyright notice and license applies to all files in this release (including sources, documentation, and examples) unless otherwise explicitly stated.

Logtalk sources

Logtalk development is currently hosted at GitHub. You may keep up to date on development changes by subscribing to the Logtalk 3.x commits RSS feed. See the release notes for details.

Follow these steps for running Logtalk development versions. You may keep up to date on development changes by subscribing to the Logtalk commits RSS RSS feed.

Logtalk installers

Be sure to read the README.md, CUSTOMIZE.md, and QUICK_START.md files on the Logtalk user directory for important information, including instructions on how to customize and run Logtalk. For Windows users, this information is also available from the Logtalk program group in the Start Menu.

The following installers are available for the latest version:

Mac OS X

Based on the MacPorts portfile. Installs Logtalk on /opt/local/share/ with integration scripts for selected Prolog compilers on /opt/local/bin. Creates an /Applications/Logtalk folder with links to the installed files.

Linux

Installs Logtalk on /usr/local/share with integration scripts for selected Prolog compilers on /usr/local/bin. Package installation from the command-line is recommended.

Debian (e.g. Ubuntu)

Requires dpkg 1.15.0 or a later version. Installs Logtalk on /usr/share with integration scripts for selected Prolog compilers on /usr/bin. Package installation from the command-line is recommended.

Windows

Be sure to install a compatible Prolog compiler before running the Logtalk installer. Creates a Logtalk program group in the Start Menu with integration shortcuts for supported Prolog compilers and shortcuts for the accessing the Logtalk documentation. Can be used by both admin and non-admin users.

User and Reference Manuals and Tutorial

XHTML 1.1 version and PDF versions of the User and Reference Manuals