Synchronous programming is mostly a French thing but as far as I know there is also Quartz in Germany (<a href="https:&#x2F;&#x2F;es.cs.uni-kl.de&#x2F;publications&#x2F;datarsg&#x2F;Schn09.pdf" rel="nofollow">https:&#x2F;&#x2F;es.cs.uni-kl.de&#x2F;publications&#x2F;datarsg&#x2F;Schn09.pdf</a>), Ptolemy in Berkeley (<a href="http:&#x2F;&#x2F;ptolemy.eecs.berkeley.edu&#x2F;publications&#x2F;papers&#x2F;01&#x2F;sr&#x2F;sr.pdf" rel="nofollow">http:&#x2F;&#x2F;ptolemy.eecs.berkeley.edu&#x2F;publications&#x2F;papers&#x2F;01&#x2F;sr&#x2F;s...</a>) and some work at Virginia Tech (<a href="https:&#x2F;&#x2F;theses.lib.vt.edu&#x2F;theses&#x2F;available&#x2F;etd-08112011-161349&#x2F;unrestricted&#x2F;Jose_BA_D_2011.pdf" rel="nofollow">https:&#x2F;&#x2F;theses.lib.vt.edu&#x2F;theses&#x2F;available&#x2F;etd-08112011-1613...</a>).