This source code is not available and we do not expect in near future share it. Hope you will understading the reason, in past, we have shared some features and competitors take the code, apply changes in the connection and they have the feature connected to their product with minimum efforts. We can talk about the ethics of this behaviour, but what is clear is the open-source licensing allows it.
When you have been working several weeks or months and you see that with a few hours or days you are making this kind of gifts ... you do not release as happily as you want the code. We would like sharing more code and the last 3-4 years we have been thinking about how doing it. Sure we will try again but with our own license terms. Unfortunately is this sea are some pirates and we know that this hurts us, but this kind of gifts are indigestible.