I was under the impression Factor had been abandoned, but it seems things are pretty lively on git:<p><a href="https://github.com/factor/factor/commits/master" rel="nofollow">https://github.com/factor/factor/commits/master</a>
Oh so slava pestov is not in Swift's team <a href="https://github.com/slavapestov?tab=contributions&from=2016-02-05" rel="nofollow">https://github.com/slavapestov?tab=contributions&from=2016-0...</a>
Another take on this (for Forth and concatenative languages in the abstract): <a href="https://news.ycombinator.com/item?id=11377604" rel="nofollow">https://news.ycombinator.com/item?id=11377604</a>