Any regognition of raspiBackup development- and maintenance effort and support of raspiBackup is greatly appreciated. There exist following donation alternatives:
1) Paypal: The eMail listed on the Contact page is known by PayPal and everybody owning a Paypal account can donate.
2) Bitcoins: Address is 32MErztPzuKhN3YFEpmFtVLZTyxZ7zKPPt
3) Neither one: Just contact me per eMail (See Contact page) and we will find a solution. For example I already got some donations in a good old postal letter.