Top 10 Best Automated Network Diagram Software of 2026

SolarWinds Network Topology Mapper (NTM) is an automated network diagramming solution that discovers devices across Layer 2 and Layer 3 using protocols like SNMP, ICMP, WMI, CDP, and LLDP. It generates detailed, interactive topology maps in real-time, allowing users to visualize network infrastructure, dependencies, and paths effortlessly. The tool supports scheduled discoveries, custom layouts, and exports to formats like Visio, PDF, and PNG for documentation and sharing.

NetBrain is a leading network automation and visualization platform that automatically discovers devices across multi-vendor environments, creates dynamic topology maps, and enables interactive troubleshooting. It provides real-time network documentation, intent-based runbooks for diagnostics, and planning simulations to reduce MTTR and support change management. Ideal for complex enterprise networks, it integrates with ITSM tools and offers both on-premises and cloud-based deployments.

Auvik is a cloud-based network monitoring and management platform that excels in automated network discovery and topology mapping. It scans networks agentlessly to create interactive, real-time diagrams visualizing Layer 2 and Layer 3 topologies, including devices, connections, and dependencies. The software also tracks configuration changes, monitors performance, and provides alerting, making it a comprehensive tool for network visibility beyond just static diagrams.

Domotz is a cloud-based remote monitoring and management platform that automatically discovers network devices and generates interactive topology maps. It visualizes network layouts, connections, and dependencies in real-time, with features for performance monitoring, alerting, and remote access. Ideal for IT teams managing distributed networks, it simplifies troubleshooting through its automated diagramming and agentless deployment.

PRTG Network Monitor by Paessler is a robust network monitoring platform that includes automated discovery and visualization tools to generate network diagrams and topology maps. It scans networks using SNMP, WMI, and other protocols to detect devices, connections, and dependencies, automatically creating interactive maps that update in real-time with performance data. While primarily focused on monitoring, its mapping features provide customizable layouts for visualizing complex infrastructures, integrated with alerting and reporting.

ManageEngine OpManager is a robust network monitoring platform with strong automated network discovery and diagramming features, enabling users to automatically detect devices via SNMP, ICMP, and other protocols. It generates interactive Layer 2 topology maps, business views, and 3D rack diagrams that visualize network dependencies and performance in real-time. Integrated with alerting, reporting, and workflow automation, it serves as a comprehensive tool for maintaining network health beyond just diagramming.

WhatsUp Gold is a robust network monitoring platform from Progress that excels in automated network discovery and dynamic topology mapping. It actively scans IP networks using protocols like SNMP, WMI, and ICMP to identify devices, dependencies, and connections, automatically generating Layer 2/3 diagrams that visualize network structure. Beyond mapping, it integrates real-time monitoring, alerting, and performance analytics, making it a comprehensive tool for maintaining network visibility.

LogicMonitor is a comprehensive SaaS-based IT monitoring platform that includes automated network discovery and topology mapping features for visualizing infrastructure. It automatically detects devices across cloud, on-premises, and hybrid environments, generating interactive diagrams that show relationships, dependencies, and real-time performance data. While not a standalone diagramming tool, its network maps integrate seamlessly with monitoring alerts and analytics for proactive IT management.

Device42 is a comprehensive IT infrastructure management platform that automates network discovery, inventory, and diagramming across on-premises, cloud, and hybrid environments. It uses agentless scanning to map devices, applications, dependencies, and business services into interactive, real-time visualizations and diagrams. The tool serves as a centralized CMDB, enabling IT teams to maintain accurate network topology and troubleshoot issues efficiently.

Zabbix is an open-source IT infrastructure monitoring platform that includes automated network discovery and topology mapping features. It scans networks to detect devices, services, and dependencies, then generates dynamic visual maps showing host relationships and status. While excelling in monitoring, its diagramming tools provide real-time, auto-updating network overviews integrated with alerting and performance data.