I always thought Tuple Spaces were a super cool idea and am a bit bummed out they never took off. JavaSpaces was based on the idea but had a somewhat limited release.
having ported Yale's Gelernter and Carriero (sp?) Tuple Spaces to Alliant FX-2800 in 1988, so familiar for a long time, you just gave rise to a question that I can not answer.
Is NoSQL close enough, so MongoDB etc displaced tuple spaces?