Best Open Source Prolog Front-Ends

Prolog Front-Ends

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Browse free open source Prolog Front-Ends and projects below. Use the toggles on the left to filter open source Prolog Front-Ends by OS, license, language, programming language, and project status.

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1

Datalog Educational System

Deductive Database with Datalog, SQL, RA, TRC, DRC

The Datalog Educational System (DES) is a deductive database with Datalog, SQL, Relational Algebra, Tuple Relational Calculus and Domain Relational Calculus as query languages developed mainly for education. It can be used from most common Prolog interpreters over any supported OS and from portable executables (Windows, Linux and MacOS).

Downloads: 74 This Week

Last Update: 2025-11-25
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2

A Prolog Expert System

A Prolog expert system supporting querying and extending the knowledge base from a command-line interface using a format oriented on natural language, with the aim of being maintainable by the domain expert (i.e. without requiring programming skills).

Downloads: 4 This Week

Last Update: 2013-04-18
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3

Omonia (formerly Quicksilver)

8. Mai 2005: We have discontinued SourceForge as a download place for our open source projects. You can now download these projects directly from the XLOG Technologies GmbH web site at http://www.xlog.ch/omonia.

Downloads: 0 This Week

Last Update: 2013-03-22
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4

nliq

This is a english based query tool. This was worked on for about 5 years before being abandoned in about 1999. The company that I work for agreed to open source the code.

Downloads: 0 This Week

Last Update: 2014-08-20
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