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[ ⊨ ] Logtalk
Open source object-oriented logic programming language

Logtalk is an object-oriented logic programming language that extends and leverages the Prolog language with a feature set suitable for programming in the large. Logtalk supports modern code encapsulation and code reuse mechanisms without compromising the declarative programming features of Prolog. Logtalk is implemented in highly portable code and can use most modern and standards compliant Prolog implementations as a back-end compiler. As a multi-paradigm language, it includes support for modules, prototypes, classes, protocols (interfaces), categories (components and hot patching), event-driven programming, and high-level multi-threading programming. Its distribution uses a commercial friendly license and includes full documentation, portable libraries, a comprehensive set of portable developer tools, and a large number of programming examples to help get you started.

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News
Find the latest news about Logtalk (last updated on October 28)
Features
Summary of Logtalk main features
Compatibility
List of Logtalk compatible back-end Prolog compilers
Documentation
Publications, library, examples, manuals, license, FAQ, release notes, contributors, and more
Download
Download the latest release of Logtalk (3.00.0-rc4) and the User and Reference manuals
Developers
Logtalk developer support (git repository, issue tracker, development tools, and more)
Support & feedback
Sign the Logtalk mailing list, register, get support, give feedback, or leave your suggestions
Discussion forums
Logtalk community discussion forums
Links
Links to related resources