This is overdue. I'll do my best to keep this up to date, posting ones offering at least PayPal or direct account numbers.
Article providing some info on Polish Red Cross
Here's the tweet with the account data:
Fundacja Ocalenie which provides help for refugees since 2000. It's a relatively new organization, but they do good work. Here is the direct donation link in English.
If you need aid, translation, or clarification, don't hesitate to tell me.