AnimalSavers: Non-profit organization dedicated to eliminating pet overpopulation through free spay/neuter outreach programs. Also places rescued dogs and cats in loving homes.
From-Feral2Domestic: Pictures of cats in need of homes and an explanation of their fees.
Sacramento Animal Care and Control Division: City shelter offering homeless dogs and cats for adoption.
Sacramento Area Animal Coalition: Coalition of animal rescue groups, shelters, veterinarians, volunteers, and animal lovers working together to save animal lives. Site includes meeting information, information about spaying/neutering and pet care, and a volunteer form.
Sacramento SPCA: Provides shelter for homeless, lost or abused pets, offers low-cost spay and neuter services, humane investigations, and public education.