Child Custody:
Association of Family and Conciliation Courts: https://www.afcc-ca.org
https://www.ourfamilywizard.com/knowledge-center/regional-resources/united-states/california
Child Support:
https://childsupport.ca.gov/calculate-child-support/
Collaborative Divorce (promise not to go to court, but each person has their own lawyer along with other professionals):
https://www.collaborativepractice.com/what-collaborative-practice
Mediation:
https://www.divorcenet.com/resources/divorce-mediation-in-california.html
Forensic Accountants:
https://savageaccountancyandvaluation.com/10-reasons-to-use-a-forensic-accountant-in-a-divorce-case/