Christof Müller

Christof Müller is an independent software publisher operating through the website deviceshelf.app, with a catalog currently consisting of a single focused product: DeviceShelf. DeviceShelf is a local-first network scanner designed to discover and identify every device connected to a local area network, giving users a clear and complete picture of what is present on their LAN at any given moment. As a local-first application, it performs its scanning and identification work directly on the user's machine rather than relying on cloud services, which keeps network data private, under the user's control, and accessible even without an internet connection. The software fits squarely within the network administration and diagnostics category, a segment that also typically includes tools for device inventory, connectivity troubleshooting, and infrastructure monitoring. Typical use cases for DeviceShelf include home users who want to see which computers, phones, smart TVs, printers, and IoT devices are sharing their network, as well as small-office administrators who need a quick way to audit connected hardware and spot unknown or unauthorized devices. It can also support security-conscious users who wish to verify that no unexpected equipment has joined their network, and IT enthusiasts who enjoy mapping and documenting their home lab environments. By concentrating on one well-defined task—reliable LAN device discovery and identification—the publisher's product range emphasizes simplicity, privacy, and practicality over breadth, positioning DeviceShelf as a straightforward utility for anyone who needs visibility into the devices populating a local network.