These sources collectively explore the practice of self-hosting various applications and services on Raspberry Pi devices. They highlight the benefits of self-hosting, such as enhanced privacy and control over personal data, and address the cost-effectiveness and low power consumption of Raspberry Pis as servers. The texts also detail practical aspects of setting up a self-hosted environment, including installing operating systems, configuring network settings, and utilizing tools like Docker and Portainer for application deployment and management. Furthermore, the sources provide examples of specific applications that can be self-hosted, ranging from media servers and password managers to personal cloud solutions and website hosting, while also discussing challenges and considerations like security, network stability, and hardware limitations.