iNaturalist is a free, nonprofit, community-powered platform that allows users to identify plants, animals, fungi, and more, while contributing to a living atlas of life on Earth. The platform has a large community of naturalists who help identify species and has led to the discovery of new species and the protection of local ecosystems. Users can download the iNaturalist app to get real-time identifications and contribute to science. The platform has been used by various individuals, including researchers, conservationists, and hobbyists.