[1]: http://factorcode.org/ [2]: http://concatenative.org/wiki/view/Factor/Features/The%20lan...
However, Factor has gotten a lot of new features in the recent years. For a relatively young language (7 years) the last 5 years are quite significant.
[1]: http://factorcode.org/ [2]: http://concatenative.org/wiki/view/Factor/Features/The%20lan...