[fogus]

It's all subjective, but here's a list that I put together myself: http://blog.fogus.me/2011/08/14/perlis-languages/

[draegtun]

Regarding the Joy programming language on your list, the author (Manfred von Thun) has stated that he no longer plans to develop Joy and recommends looking at Factor for a superior alternative.

ref: http://tech.groups.yahoo.com/group/concatenative/message/487...