Me too. Here are some sources my American (safe) self can contribute funds or time to help. These sources are specific to the war in Ukraine. I did not find these sources myself–they are from NPR.
UNICEF: Children in the crossfire (see link)
Doctors without boarders in Ukraine: https://www.doctorswithoutborders.org/what-we-do/countries/ukraine
Voices of Children: https://voices.org.ua/en/
The Red Cross: https://www.icrc.org/en/where-we-work/europe-central-asia/ukraine
Refugee Aid through UNHCR: https://www.unrefugees.org/what-we-do/
Ukraine Crisis Fund: https://my.care.org/site/Donation2?df_id=31071&mfc_pref=T&31071.donation=form1&s_src=172220UCFM00&s_subsrc=FY22UkraineCrisisFundMO
International Medical Corps: https://my.care.org/site/Donation2?df_id=31071&mfc_pref=T&31071.donation=form1&s_src=172220UCFM00&s_subsrc=FY22UkraineCrisisFundMO