Stay tuned! We still hope to sort it out so you don't need to worry. I got an appointment for a meeting with my tax adviser tomorrow.
In one or two days there should be a new statement regarding how to donate to Neo900 UG going public (if things don't fail again).
And maybe we manage to directly transfer all donations, on your instructions you send to GDC. You'll receive a mail eventually.

Meanwhile for those who really can't wait, the bank account data of Neo900 UG (haftungsbeschraenkt) is available for highly appreciated donations on personal inquiry via mail to contact@neo900 dot org, and on IRC
/j