Donate
Calendra is built and maintained as an independent project. A donation keeps the servers running and the data growing.
Where it goes
Hosting, domain, email delivery, holiday data curation, translations, and the time to ship PDF/iCal/API improvements.
Donate
Choose an amount — Stripe Checkout opens next.
Thank you — every bit of support matters.
Looking for Pro features instead? See pricing — subscriptions are separate from donations. View pricing