Wondershop is a lightweight e-commerce program written in PHP. It might not have the fancy interface that lags and expensive to run, it
does load blazing fast while have some complex logic and features other e-commerce program can not provide. Please refer to Features
for a list of features completed and currently working on.
Currently it is still in beta status, not public available yet...
You can contact me
if you are interested and want to use it for your own e-commerce website.