GNU Guile

GNU Guile is a portable, embeddable programming language that supports Scheme as its official dialect. It is commonly used for extending and scripting applications, as well as for implementing domain-specific languages.

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

Repositories on GitHub: 1,292

• Official Website
• Wikipedia page