What's New?

Visual Prolog 7.1, Build 7103 has been released on December 14, 2007.
 

 

Visual Prolog - Applications & Language Conference 2008

VIP-ALC'08 will take place in St. Petersburg, Russia on June 17-19 2008.

Visual Prolog - Applications & Language Conference 2008 VIP-ALC'08

Visit VIP-ALC'08 site for details.

Visual Prolog Wiki

Prolog Development Center is glad to announce Visual Prolog wiki released on September 4 2007.

We invite community members to visit wiki and contribute to it.

New  Tutorials

New and Updated Examples:

 

Buy Visual Prolog Commercial Edition
Visual Prolog 7.1
Commercial Edition
for Windows Vista/XP/2000

 

Download Visual Prolog Personal Edition
Visual Prolog 7.1
Personal Edition
for Windows Vista/XP/2000

 
 

Visual Prolog

Prolog Development Center is glad to announce Visual Prolog 7.1, Build 7103 released on December 14, 2007.

What is Visual Prolog

Visual Prolog is a logical programming language that counts PDC Prolog and Turbo Prolog as predecessors.

The goal of Visual Prolog is to support industrial strength programming of complex knowledge emphasized problems.

Today Visual Prolog is a very powerful and safe programming language combining the very best features of logical, functional and object-oriented programming paradigms in a consistent and elegant way.

Visual Prolog features:

  • logical programming concepts (backtracking, pattern matching);
  • algebraic data types;
  • a unique object system;
  • multi-threading (supported in the Commercial Edition);
  • parametric polymorphism
  • unicode support;
  • automatic memory management (garbage collection);
  • much more.

Visual Prolog is a complete programming environment with:

With Visual Prolog you can build applications for the Microsoft Windows 32 platform. It supports advanced client-server and three-tier solutions. Visual Prolog is especially well suited for dealing with complex knowledge.

By utilizing a powerful object system you are able to architect your application very rigidly and at the same time benefiting from very loose coupling.  This will enable you to reduce development and even more maintenance cost.

Current Release of Visual Prolog

The current version of Visual Prolog is Visual Prolog 7.1, Build 7103 released on December 14, 2007.

Supported Windows Versions

The current version of Visual Prolog might be used on Windows Vista/XP/2000/NT.

Visual Prolog Editions

Visual Prolog is supplied in two editions:

  1. Personal Edition might be used in non-commercial personal context for free without any time, session, or other limitations.
  2. Commercial Edition might be used for creating commercial projects.

Visual Prolog Projects that Inspire

With Visual Prolog you can build industrial strength commercial applications. Visual Prolog is especially well suited for dealing with complex knowledge.

Prolog Development Center  has proven this in the advanced resource scheduling and decision support systems written entirely in Visual Prolog for:

We have more than 20 years of experience in this field. Our systems based on Visual Prolog are used in many countries and companies.

For example:

  • Score is used in more than 80 airports of 17 countries. It coordinates approximately 8 million arrivals and take-offs a year.
  • FleetWatch is used in 16 international airlines.
  • More than 200.000 persons duty plans are made using PDC-StaffPlan.

See a list of PDC's customers of aviation and planning and scheduling systems.

Read more about PDC's projects based on Visual Prolog.

How to Get Started with Visual Prolog?

Start by reading Getting Started with Visual Prolog.

   
Visual Prolog  Info


What are the main Visual Prolog  Features? »

Read the product info for Visual Prolog »

How to get started with Visual Prolog? »
 

On-line Tutorials

A series of tutorial articles will help you to study Visual Prolog  »
 
Downloads

More than 200.000 site visitors have already downloaded the Personal Edition of Visual Prolog.
Download its latest release for free.

Download and examine Visual Prolog example projects.
Create your own projects based on these examples.
 

FAQ

Q:
How to get started with Visual Prolog?

Read the answer to this and other frequently asked questions »

Community

Join Visual Prolog world-wide community!
 
Post your questions or suggestions to our Discussion Forum, check Visual Prolog Knowledge Base.

Contribute to Visual Prolog wiki.
Events

VIP-APL'06

Visual Prolog - Applications & Language Conference (VIP-APL'06) took place on April 24-26 2006 in Portugal.

 

Visual Prolog at APPSEM II 2005

 

 
Visual Prolog Application & Language Conference (VIP-ALC-2006)
Download
VIP-APL'06 Proceedings

Vault

Visual Prolog - SourceGear Vault
Integration

 

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