I love Leap, but it's not always that handy.
Tags or Punakea reside in your menu bar, and allow you to tag like a kid on crank. Searches are very quick as well, and the tags work with Leap as well.
HoudahSpot works great for finding tagged files, but uses a service tp tag them that is a little more time consuming than Tags or Punakea.
They have demos, so try 'em out.