Yes, our aim is to facilitate payment integration for everybody so we have a lot of plugins already and other ones in development.

You can have the list here

Yes, our widgets system can handle this use case. It is very simple:

1. You register your service (you can follow this link)
2. You create a widget 
3. You share the link with your client. 

Open an account and install the service is free.

MeSomb will take 3% of the collected amount but can be negotiated depending on the volume.

Withdrawing collected money is totally free.