Scanopy vs Open Network Diagram

Scanopy8.8Visit ONOpen Network Diagram8.4Visit

Higher score Scanopy #4 in Network Documentation Software 8.8/10 Free plan · 14-day trial Free planFree trial✓ 5 of 6 features Visit Scanopy

vs

ON Open Network Diagram #6 in Network Documentation Software 8.4/10 Free plan Free plan✓ 4 of 6 features Visit site

• Scanopy fits best

  Affordable topology discovery across many platforms

• 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	Scanopy 8.8/10 Visit ↗	ONOpen Network Diagram 8.4/10 Visit ↗
At a glance
Editor score	8.8	8.4
Ranking	#4 in Network Documentation Software	#6 in Network Documentation Software
Best for	Affordable topology discovery across many platforms	Small teams needing simple free network diagrams
Pricing model	Free plan + paid	Free
Starting price	$11.99/mo	Free plan
Free plan	✓	✓
Free trial	14 days	—
Deployment	Cloud, Self-hosted	Self-hosted
Platforms	Web, Windows, macOS, Linux	Web
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business
Features Scanopy 5/6 · Open Network Diagram 4/6
Device inventory	✓	✓
IP address management	✓	✓
Network diagrams	✓	✓
Credential storage	✓ (best)	Not checked yet
Circuit management	Not checked yet	Not checked yet
Relationship mapping	✓	✓
Our review
Pros	Maps physical Layer 2 and logical Layer 3 network topology Discovers hosts, services, workloads, and application dependencies Supports SNMP, Docker, Podman, UniFi, and HPE Networking Instant On	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	Community Edition covers one network and one user seat API access and advanced exports require paid tiers Annual-billing prices may not suit monthly-budget planning	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	Scanopy is network discovery and documentation software for homelab users, IT operations teams, managed service providers, security teams, and organizations managing on-premises or air-gapped networks. It discovers hosts, services,… 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 →

Strengths and trade-offs

• Scanopy — where it wins

  • Maps physical Layer 2 and logical Layer 3 network topology
  • Discovers hosts, services, workloads, and application dependencies
  • Supports SNMP, Docker, Podman, UniFi, and HPE Networking Instant On

  Where it doesn't

  • Community Edition covers one network and one user seat
  • API access and advanced exports require paid tiers
  • Annual-billing prices may not suit monthly-budget planning

• 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

• Scanopy8.8/10 · Free plan · 14-day trial

  Affordable topology discovery with broad platform coverage and open-source deployment.

  Visit ScanopyFull verdict →
• ONOpen Network Diagram8.4/10 · Free plan

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

  Visit siteFull verdict →