This flew under the radar here since v5 came out, but there are a couple of AI traffic control utilities that were released by Roland Foster (AIController).  They are not SID/STAR controllers, but they do help keep AI traffic in check both on the ground and in the air.  Folks at AIG seem to like them so far. https://library.avsim.net/search.php?SearchTerm=aiflow&CatID=root&Go=Search