I am looking for behavior tree implementations in any language, I would like to learn more about how they are implemented and used so can roll my own but I could only find one Owyl, unfortunately, it does not contain examples of how it is used.
Any one know any other open source ones that I can browse through the code see some examples of how they are used etc?
EDIT: Behavior tree is the name of the data structure.
Here's a few I've found:
This Q on GameDev could be helpful, too.