I rewrote the AngularJS tutorial in Om [1] and utilize core.async there.

The basic [2] tutorial on the Om wiki uses core.async heavily as well. Also, there are a ton of Om examples [3] within the repo itself that are a good reference.

1. https://github.com/jalehman/omtut-angular

2. https://github.com/swannodette/om/wiki/Basic-Tutorial

3. https://github.com/swannodette/om/tree/master/examples