Support
Keeping the lights on.
Cartheca is free and stays free. Running it is not free, which is what this page is eventually about.
There is no way to donate yet
Accepting money means choosing a payment processor, saying plainly what the money pays for, and handling the tax and record-keeping that follows. None of that is settled, so there is nothing here to click — and a donate button that does not work is worse than no button.
To be clear about what a donation would and would not buy: Cartheca has no paid tier and no plans for one. Nothing in the product is or will be held back behind a payment. Support would go to hosting and running costs, not to unlocking features.
Two things that help now and cost nothing: