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Head-to-head · Network Discovery Software

SolarWinds Network Topology Mapper vs Netdisco

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score SolarWinds Network Topology Mapper #3 in Network Discovery Software 9.1/10 14-day trial Free trial✓ 0 of 4 features Visit SolarWinds
Netdisco #13 in Network Discovery Software 7.9/10 Free plan Free plan✓ 0 of 4 features Visit Netdisco

SolarWinds Network Topology Mapper leads on 0 checks, Netdisco on 1, and 0 are even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSolarWinds Network Topology Mapper · 9.1/10
  • Free planonly Netdisco
  • Free trialonly SolarWinds Network Topology Mapper

SolarWinds Network Topology Mapper scores higher on our rubric for network discovery software: 9.1 against 7.9 out of 10; our editors rank them #3 and #13.

Netdisco offers free plan; SolarWinds Network Topology Mapper doesn't.

SolarWinds Network Topology Mapper is the better fit for straightforward automated topology diagrams. Netdisco is the better fit for open-source network topology and port mapping.

  • SolarWinds Network Topology Mapper fits best

    Straightforward automated topology diagrams

  • Netdisco fits best

    Open-source network topology and port mapping

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature SolarWinds Network Topology Mapper 9.1/10 Visit ↗ Netdisco 7.9/10 Visit ↗
At a glance
Editor score 9.1 7.9
Ranking #3 in Network Discovery Software #13 in Network Discovery Software
Best for Straightforward automated topology diagrams Open-source network topology and port mapping
Pricing model Paid Free
Starting price — Free plan
Free plan — ✓ (best)
Free trial 14 days —
Deployment Self-hosted Self-hosted
Support Tickets, Docs, Community · 24/7 Email, Community, Docs
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features SolarWinds Network Topology Mapper 0/4 · Netdisco 0/4
Topology mapping Not checked yet Not checked yet
Asset inventory Not checked yet Not checked yet
Scheduled discovery Not checked yet Not checked yet
SNMP discovery Not checked yet Not checked yet
Specs
Discovery method Not checked yet Not checked yet
Network scope Not checked yet Not checked yet
Discovered asset limit Not checked yet Not checked yet
Our review
Pros
  • Automated discovery with scheduled scans and topology-change detection
  • Layer 2 and Layer 3 mapping with dependency visualization
  • Exports maps to Visio, PDF, PNG, and Orion Network Atlas
  • Interactive topology maps with automated and manual link discovery
  • MAC-to-switch-port and MAC-to-IP mapping
  • VLAN, PoE, interface, chassis, and historical record collection
Cons
  • Paid license starts at $1,977 with no free plan
  • On-premises deployment requires installation on a dedicated server
  • A single listed plan provides limited pricing-tier choice
  • Self-hosted, on-premises deployment limits cloud-first use cases
  • Platform coverage centers on web, Linux, and self-hosted environments
  • Topology maps do not cover application or service dependencies
Our verdict

SolarWinds Network Topology Mapper is network mapping software for IT teams managing LAN and WAN environments. It automatically discovers devices and connections through SNMP, WMI, LLDP, Cisco Discovery Protocol, VMware Management, ICMP…

Read the review →

Netdisco is a self-hosted, web-based network management tool for small to very large networks. It collects device and node data into PostgreSQL through network polling and device APIs, then presents inventories, MAC and IP locations,…

Read the review →
  1. SolarWinds Network Topology MapperNetwork Discovery Software 9.114-day trial
  2. NetdiscoNetwork Discovery Software 7.9Free plan

Strengths and trade-offs

  • SolarWinds Network Topology Mapper — where it wins

    • Automated discovery with scheduled scans and topology-change detection
    • Layer 2 and Layer 3 mapping with dependency visualization
    • Exports maps to Visio, PDF, PNG, and Orion Network Atlas

    Where it doesn't

    • Paid license starts at $1,977 with no free plan
    • On-premises deployment requires installation on a dedicated server
    • A single listed plan provides limited pricing-tier choice
  • Netdisco — where it wins

    • Interactive topology maps with automated and manual link discovery
    • MAC-to-switch-port and MAC-to-IP mapping
    • VLAN, PoE, interface, chassis, and historical record collection

    Where it doesn't

    • Self-hosted, on-premises deployment limits cloud-first use cases
    • Platform coverage centers on web, Linux, and self-hosted environments
    • Topology maps do not cover application or service dependencies

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update