Obyx is a very simple language to get started with. There are only a few considerations and pre-requisits to meet before you can get started. These are:-
For the XML editor we recommend oXygen. oXygen is not free however it has fantastic features. For co-programming, SubEthaEdit is really excellent. We use also vi, TextEdit, BBEdit, XCode - so use whatever you prefer, or have available!
You are now ready proceed down one of two routes.
This section assumes you will primarily be building, configuring (modifying?) obyx. The following may be of interest to you.