Toolkit is at the far end for software development from Mapkeys and AutoIT. It is designed for people to create extensions to models and model creation/analysis, such as more sophisticated data extraction. I found AutoIT to be more than sufficient and recommend going along that path before delving into the PTC API.
There is a section on the Pro User group dedicated to automation that has some Toolkit developers, but either they are pretty self-sufficient or there aren't many of them, as they don't post very much. That includes the J-Link and Web-link guys.
The reason for leaning on AutoIT is that it allows pretty easy control of the entire computer, so it you could have a program creating the animation send and e-mail when it's done; not as easy from Toolkit. And AutoIT has a heck of an interesting user base; people doing all sorts of things, so examples and help are abundant.
