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Head-to-head · Network Documentation Software

Nautobot vs Open Network Diagram

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Nautobot #3 in Network Documentation Software 9.1/10 Free plan Free plan✓ 0 of 6 features Visit Nautobot
Open Network Diagram #6 in Network Documentation Software 8.4/10 Free plan Free plan✓ 4 of 6 features Visit site

Nautobot leads on 0 checks, Open Network Diagram on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreNautobot · 9.1/10
  • Free planboth
  • Most featuresOpen Network Diagram · 4 of 6

Nautobot scores higher on our rubric for network documentation software: 9.1 against 8.4 out of 10; our editors rank them #3 and #6.

Nautobot is the better fit for automation-focused network engineering teams. Open Network Diagram is the better fit for small teams needing simple free network diagrams.

  • Nautobot fits best

    Automation-focused network engineering teams

  • Open Network Diagram fits best

    Small teams needing simple free network diagrams

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 Nautobot 9.1/10 Visit ↗ Open Network Diagram 8.4/10 Visit ↗
At a glance
Editor score 9.1 8.4
Ranking #3 in Network Documentation Software #6 in Network Documentation Software
Best for Automation-focused network engineering teams Small teams needing simple free network diagrams
Pricing model Free plan + paid Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Self-hosted
Platforms Web, Linux Web
Built for Mid-market, Enterprise Solo, Small business
Features Nautobot 0/6 · Open Network Diagram 4/6
Device inventory Not checked yet ✓ (best)
IP address management Not checked yet ✓ (best)
Network diagrams Not checked yet ✓ (best)
Credential storage Not checked yet Not checked yet
Circuit management Not checked yet Not checked yet
Relationship mapping Not checked yet ✓ (best)
Our review
Pros
  • Models devices, interfaces, IPs, VLANs, circuits, and cables
  • Python Jobs include scheduling, permissions, logging, and approvals
  • REST, GraphQL, webhooks, and integrations support network automation
  • Free, open-source deployment with Docker support
  • Combines topology, inventory, racks, IPAM, VLANs, and cable tracking
  • Duplicate-IP detection, next-free-IP suggestions, autosave, and backups
Cons
  • Its scope may exceed the needs of documentation-only teams
  • Automation depends on maintaining validated network data
  • Self-hosted, commercial, and Cloud editions add deployment choices
  • No integrations for connecting other tools or services
  • Authentication and TLS are not included
  • Self-hosted deployment requires managing the environment and data volume
Our verdict

Nautobot is an open-source network source of truth and automation platform for enterprises managing complex networks. It organizes devices, interfaces, IP addresses, VLANs, circuits, cables, and related network data, then uses that…

Read the review →

Open Network Diagram is a declarative, self-hosted application for documenting home-lab and network infrastructure. It is aimed at small teams that need a straightforward way to map network topology, hosts, virtual machines, racks, IP…

Read the review →
  1. NautobotNetwork Documentation Software 9.1Free plan
  2. Open Network DiagramNetwork Documentation Software 8.4Free plan

Strengths and trade-offs

  • Nautobot — where it wins

    • Models devices, interfaces, IPs, VLANs, circuits, and cables
    • Python Jobs include scheduling, permissions, logging, and approvals
    • REST, GraphQL, webhooks, and integrations support network automation

    Where it doesn't

    • Its scope may exceed the needs of documentation-only teams
    • Automation depends on maintaining validated network data
    • Self-hosted, commercial, and Cloud editions add deployment choices

  • Open Network Diagram — where it wins

    • Free, open-source deployment with Docker support
    • Combines topology, inventory, racks, IPAM, VLANs, and cable tracking
    • Duplicate-IP detection, next-free-IP suggestions, autosave, and backups

    Where it doesn't

    • No integrations for connecting other tools or services
    • Authentication and TLS are not included
    • Self-hosted deployment requires managing the environment and data volume
  • Nautobot9.1/10 · Free plan

    A flexible, automation-focused source of truth for complex network environments.

    Visit NautobotFull verdict →
  • Open Network Diagram8.4/10 · Free plan

    A free, open-source network documentation tool with diagrams, IPAM, racks, and inventory.

    Visit siteFull verdict →

More comparisons

All network documentation software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update