README.md

npm install --save queue-async

queue.js

var queue = require('queue-async');

var q = queue(8);

['things'].forEach(function(t) {
    q.defer(doTask);
});

function doTask(thing, callback) {
  // do stuff with this and then
  callback(null, result);
}

q.awaitAll(function(err, results) {
   // this is called after all done
});