Factor is an actively used programming language created in 2007. Factor is a stack-oriented programming language created by Slava Pestov. Factor is dynamically typed and has automatic memory management, as well as powerful metaprogramming features. The language has a single implementation featuring a self-hosted optimizing compiler and an interactive development environment. Read more on Wikipedia...

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Example code from Wikipedia:

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    dup
    <XML
        <html>
            <head><title><-></title></head>
            <body><h1><-></h1></body>
        </html>
    XML> ;

Last updated July 22nd, 2019