Donation functionality is supported by global fundraising service givengain.com.
You will be redirected to participant's donation page on givengain.com where you can select amount and donate.
You will not need to register in givengain.com, but you will have to provide basic info, e.g. email, address etc.
After you made a donation, the amount will appear in result table (it can take some time until processed).
Thank you for your donations!
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