The deep dive explores Cubby, a self-hosted file sharing platform that offers users control over their data, akin to having a personal Dropbox or Google Drive without relying on large corporations. Cubby allows users to create their own server, giving them the ability to manage access and collaborate on documents in real time. It integrates with open-source office suites and features built-in collaborative editing tools, making it ideal for teams and individuals seeking secure file sharing. While self-hosting provides privacy and data security, it also requires some technical knowledge and ongoing maintenance. Developed by the Cloudrin team, Cubby is open-source, enabling community involvement and transparency. Setting up Cubby involves installing Docker, creating a database, and following a detailed guide to configure the server. Its architecture utilizes modern technologies like Node.js and Vue.js, ensuring flexibility in deployment. With built-in encryption and access controls, Cubby prioritizes security for its users. The platform is particularly beneficial for small teams, researchers, and individuals looking for a secure backup solution. Overall, Cubby represents a movement toward digital sovereignty, empowering users to take control of their data.