Kidos Beta is a free operating system for kids that parents can download. The software lets kids use their parent’s computer without worrying about them accidentally deleting something, settings being changed or kids closing the browser by mistake and ending up elsewhere on the computer. The software is secure with a kid-friendly and lightly animated interface that lets children play media, videos, games, books, and more. Kidos is both PC, Mac and Linux compatible. and it’s totally free!