Early numbers show that people are giving more than in previous years to places like food banks, housing groups and mutual aid networks.
With fewer big donations boxes at offices and retail stores, the logistics have become tricky.
David and Jennifer Risher are challenging fellow philanthropists to give more of their money away.
The Urban-Brookings Tax Policy Center says only about 10% of households now have an incentive to donate.
"The bank had shut us down and we didn't know how we were going to go forward."
"We're getting a distorted capitalism that does not produce shared prosperity," says Walker.
They blame the 2017 tax bill.
Many Americans had less of an incentive to give, as the law doubles the standard deduction.