Scanopy is a self-hosted network discovery tool that scans your VLANs, identifies hosts and services, and builds an interactive, self-updating topology map for your homelab.

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Scanopy is an open-source, self-hosted network discovery tool built for homelabs. It runs a server and one or more daemons (dockerized) that scan VLANs via ARP and full 65k-port scans, detect 200+ common self-hosted services through pattern matching, poll network devices via SNMP v2c (including LLDP/CDP neighbor data), and generate an interactive, self-updating topology map. Features include versioned and branchable topologies, editable visualizations, CSV export, a granular API with scoped keys, and a UI for manually assigning unidentified ports. Licensed under AGPL-3.0.

Scanopy: Self-Hosted Network Scanner That Builds a Live Topology Map