Pinnacle Cart Knowledge Base

Yes, there are plug-ins available for the cart currently. 

We have a couple of third-party developers that have created plug-ins for the cart.

Reaching Edge Design

http://www.reachingedge.com

Additionally, we have a network of developers with extensive experience with the cart that can help you with any customizations you may have. You can see a list of developers at

http://www.pinnaclecart.com/third-party-developers.htm

The next release 3.5 will have a new plug-in system aimed at versitility and further concepts and creations.