Visual Prolog

Visual Prolog is a strongly-typed logic programming language that provides built-in support for the development of intelligent systems. It is commonly used for developing expert systems, natural language processing applications, and other AI-related projects.

Popularity: Less than 1% of developers are using or have used this language.*
*According to StackOverflow's 2023 survey.

Repositories on GitHub: 18,028

• Official Website
• Wikipedia page