Print Logo

California Freethought Day

Support California Freethought Day


Individuals and Families

Donors of $25 or more will be recognized by a keepsake button. We'll also keep you happy during the day with ice water and snacks at our Hospitality Tent.

Donate online while registering.

Attend the Reception

Join us on Saturday evening for a special event with our distinguished speakers, live entertainment, appetizers and desserts, an open bar, and more! Find out more.

There's even a discount for a group of four!

Register Register

Organizations and Businesses

When you become a sponsor of Freethought Day, your organization will be recognized and loved by the community.

Can't Attend?

If you cannot attend but still want to support California Freethought Day, you can make a direct donation via PayPal.

If you don't use PayPal you can also mail us a check.


We need people in small shifts during the events for registration, sales, setup, clean-up, and more. Please learn more about volunteering if you can spare a couple hours.

Volunteers will be treated to a thank-you dinner on Thursday, plus other perks!

This Year's Supporters and Sponsors

Find out more about our generous sponsors and supporters.