In exploring concatenative languages, be sure to investigate the Joy language. https://web.archive.org/web/20111006171100/http://www.latrobe.edu.au/phimvt/joy.

In exploring concatenative languages, be sure to investigate the Joy language. https://web.archive.org/web/20111006171100/http://www.latrobe.edu.au/phimvt/joy.html https://web.archive.org/web/20111006171100/http://www.latrob... ...unfortunately, it appears that the webpage of Joy's author has been lost to the web, so therefore the link to the Internet Archive. And don't forget that there was a very mainstream concatenative language at one point in time: PostScript.