GITNUXSOFTWARE REVIEW
AI In IndustryTop 10 Best Network Diagram Software of 2026
Compare top network diagram software options and tradeoffs for teams. Includes where Gliffy, Creately, and Figma FigJam fit.
How we ranked these tools
Vendors set the topic, but our editors set the inclusion criteria and the evaluation framework before research starts.
Agents extract product evidence with provenance, then collect written reviews and transcribe video reviews and podcasts.
Framework: Features 40% · Ease 30% · Value 30%
Gitnux may earn a commission through links on this page. This does not influence our reviews. Editorial policy
Gliffy is the best choice for IT teams who maintain network diagrams inside Atlassian work because its Confluence and Jira embedding keeps diagrams beside tickets and requirements, while ManageEngine OpManager is a strong alternative for NOC teams since topology visuals stay tied to monitored inventory and alert context.
Editor’s top 3 picks
Three quick recommendations before you dive into the full comparison below — each one leads on a different dimension.
Gliffy
Atlassian-native diagram editing embeds Gliffy files in Confluence pages and Jira issues without separate documentation workflows.
Best for: Fits when IT teams need manually maintained network diagrams embedded in Atlassian documentation and tickets.
Creately
Editor pickVisio import and stencil support for reusing existing network drawing assets inside a diagram workspace.
Best for: Fits when IT and engineering teams need fast diagram authoring and exports, not live topology discovery or polling.
Figma FigJam
Editor pickLive co-editing with Figma-native commenting and versioned documents for collaborative network diagram reviews.
Best for: Fits when engineering and IT teams need collaborative, template-driven network diagrams without discovery automation.
Comparison Table
Gliffy
SMBOnline diagramming software with network diagram support and strong use inside Atlassian environments.
Atlassian-native diagram editing embeds Gliffy files in Confluence pages and Jira issues without separate documentation workflows.
Gliffy suits teams that maintain architecture documentation inside Atlassian workspaces. Network stencils and connectors support logical network view diagrams, while templates reduce first-draft work. Editing remains visual and manual, which suits reference documentation more than live infrastructure monitoring.
Gliffy does not include an auto-discovery engine, so current device inventory cannot populate diagrams automatically. That limitation matters during incident response, where engineers need current topology rather than a maintained reference drawing. For change reviews, teams can embed diagrams in Jira issues, collect comments, and preserve updated versions with the ticket.
- +Native Confluence and Jira embedding keeps diagrams beside requirements, tickets, and operational documentation.
- +Templates cover cloud, rack, network, and infrastructure diagram starting points.
- +Revision history supports recovery from unwanted diagram edits.
- +Visio file import helps teams reuse established infrastructure diagram assets.
- –No automatic device discovery populates network diagrams from infrastructure inventories.
- –Public API and automation coverage are limited compared with developer-oriented diagramming platforms.
- –Large diagrams can require manual alignment and repeated connector adjustments.
- –Advanced network inventory and dependency analysis remain outside Gliffy's scope.
Network engineering teams
Documenting office and data-center layouts
Shared infrastructure reference
Atlassian administrator teams
Embedding diagrams in change tickets
Contextual change documentation
Show 2 more scenarios
Infrastructure consultants
Migrating legacy architecture drawings
Reusable client documentation
Consultants import existing Visio diagrams and revise them for audits, migrations, and handover documents.
Application engineering teams
Mapping service dependencies manually
Clearer design reviews
Teams connect application, database, queue, and external-service components in architecture review diagrams.
Best for: Fits when IT teams need manually maintained network diagrams embedded in Atlassian documentation and tickets.
Creately
SMBVisual collaboration and diagramming platform with network diagram templates and data-linked canvases.
Visio import and stencil support for reusing existing network drawing assets inside a diagram workspace.
Creately creates network diagrams with drag-and-drop shapes and library-backed link notation for logical and physical views. Its diagram editing supports structured connections, automatic layout, and export to common formats like PNG, SVG, and .drawio for handoff.
Creately also supports importing and working with diagram formats such as VSDX and Visio stencils so existing network drawings can be reused. For documentation workflows, teams can collaborate on diagrams in a SaaS-hosted workspace and manage versioned artifacts for ongoing topology updates.
- +Visually consistent network diagrams using reusable symbols and link styles
- +Auto-layout speeds up reshaping network topologies during iterative revisions
- +Export supports PNG and SVG for documentation pipelines and reviews
- +Import tools for Visio artifacts reduce redraw time for existing libraries
- –No built-in auto-discovery engine for SNMP, LLDP, or ARP parsing
- –Topology drift detection requires external inputs rather than continuous sync
- –Real-time topology sync with network controllers is not a native workflow
- –Deep multi-vendor SNMP MIB ingestion is not part of the diagram editor
Software architects and developers
Create logical and physical network maps
Consistent design diagrams
Business analysts and requirements teams
Model network actors and interactions
Reviewable system models
Show 2 more scenarios
Network educators and analysts
Adapt templates for specialized network explanations
Reusable diagram templates
Modify shape libraries and templates for structured diagrams such as IDEF0-style explanations.
Operations managers and researchers
Represent reporting and stakeholder networks
Clear relationship views
Create node-and-connector relationship maps for reporting structures and connected entities.
Best for: Fits when IT and engineering teams need fast diagram authoring and exports, not live topology discovery or polling.
Figma FigJam
SMBCollaborative whiteboard product with diagram components and templates suitable for high-level network mapping.
Live co-editing with Figma-native commenting and versioned documents for collaborative network diagram reviews.
Figma FigJam is a diagramming canvas inside the Figma ecosystem, with collaborative whiteboard workflows that feel closer to shared modeling than separate diagram tools. FigJam supports structured network-style layouts using sticky nodes, connectors, frames, and libraries so teams can standardize shapes across logical and physical views.
Export and sharing workflows support PNG and SVG outputs for documentation, plus native Figma document sharing for ongoing review. Compared with diagram-only products, FigJam favors iteration and annotation on live diagrams over automated topology ingestion and scheduled discovery.
- +Real-time multi-user editing with comments and cursor presence for active diagram reviews
- +Figma libraries and templates help standardize node styling for repeated topology drawings
- +Frames support segmentation views like regions, VLAN groups, and environment boundaries
- +PNG and SVG export works well for static network documentation handoffs
- –No native auto-discovery from SNMP, LLDP, or ICMP sweep data into nodes
- –Network visualization features like route and neighbor overlays require manual construction
- –Topology drift detection workflows depend on people updating diagrams, not sync engines
- –Large topology diagrams can feel slow to organize when many nodes are manually placed
Technical and product teams
Sketch network flows with shared shapes
Shared technical draft
Educators and workshop leaders
Run live walkthroughs on network boards
Participatory lesson surface
Show 2 more scenarios
Product and strategy teams
Prioritize network-related ideas
Documented decisions
Facilitate diagram-based discussions, group ideas, and apply voting to capture priorities.
Researchers and product teams
Synthesize interview findings into themes
Pattern-based visual synthesis
Place observations on a canvas and organize them into visual themes connected to network context.
Best for: Fits when engineering and IT teams need collaborative, template-driven network diagrams without discovery automation.
Miro
SMBCollaborative visual workspace with diagramming features and templates for network architecture mapping.
Miro Developer Platform Web SDK for embedding custom diagramming experiences in internal engineering portals.
Network architects can combine connectors, infrastructure shapes, images, documents, and embedded content on a single board. Frames can separate current-state designs, proposed changes, and implementation tasks without splitting the review across files. Comments, mentions, and presentation mode keep architecture decisions linked to the relevant diagram areas.
- +Real-time multiplayer editing supports architecture reviews with distributed engineers.
- +Frames, connectors, comments, and presentations organize design-review workflows.
- +REST API, Web SDK, and webhooks support custom engineering workflows.
- +SSO, SCIM, and audit logs support centralized administration.
- –No native SNMP polling, LLDP neighbor discovery, or device inventory reconciliation.
- –Network topology changes require manual edits rather than live infrastructure synchronization.
- –Large boards need consistent naming, layout, and access conventions.
- –Detailed operational diagrams can become difficult to maintain without ownership rules.
Network architecture teams
Cloud migration design reviews
Shared migration architecture record
Infrastructure engineering teams
Data center change planning
Coordinated change plan
Show 2 more scenarios
IT consultants
Client network documentation
Centralized network documentation
Consultants collect diagrams, interview notes, screenshots, and review comments in a client-facing workspace.
Platform engineering teams
Internal architecture portal integration
Integrated architecture workflow
Developers use the Web SDK and API to connect board content with internal engineering tools.
Best for: Fits when distributed IT teams need collaborative network architecture boards instead of automated device discovery.
Visual Paradigm Online
SMBOnline diagram suite with network topology diagram tools, templates, and technical modeling features.
Cross-notation workspace keeps network, UML, ERD, BPMN, and cloud architecture diagrams in one browser editor.
Network diagrams support manual placement of devices, connectors, labels, boundaries, and annotations, with templates reducing initial layout work. Shared links, comments, and concurrent editing support reviews across architecture and operations teams. The same workspace includes UML, ERD, BPMN, and cloud architecture diagrams for related system documentation.
- +Browser-based editor includes Cisco, AWS, Azure, and generic network shape libraries.
- +Shared editing and comments support architecture review workflows.
- +Exports diagrams as PNG, SVG, and PDF for documentation handoffs.
- –No SNMP, LLDP, or automatic discovery for live topology updates.
- –Manual placement becomes laborious for large inventories with frequent device changes.
- –Advanced network operations workflows require external inventory and monitoring systems.
IT architecture teams
Application architecture reviews
Consistent architecture documentation
Network engineering teams
Manual topology documentation
Shareable network baseline
Show 2 more scenarios
Infrastructure consultants
Client infrastructure deliverables
Faster deliverable production
Consultants can reuse templates and export polished diagrams for client handoffs.
IT training teams
Networking course exercises
Reusable classroom exercises
Instructors can distribute editable diagrams for routing and segmentation assignments.
Best for: Fits when IT teams need browser-based network documentation alongside broader technical architecture diagrams.
Paessler PRTG Network Monitor
SMBNetwork monitoring platform with automatic topology mapping and visual network diagram dashboards.
LLDP neighbor discovery connects physical adjacency information to monitoring inventory used in topology-oriented map views.
Paessler PRTG Network Monitor focuses on continuous device and service monitoring with visualization hooks that support network diagram workflows. SNMP polling, ICMP sweep discovery, and LLDP neighbor discovery feed topology-relevant inventory so diagramming can stay aligned with the monitored environment.
- +LLDP neighbor discovery improves link-to-device mapping accuracy
- +SNMP polling and ICMP sweep discovery support ongoing diagram relevance
- +Map views help translate monitoring topology into operator-friendly layouts
- +Export options support moving diagram content into other tools
- –Topology views depend on sensor coverage and discovery health
- –Diagram customization depth lags dedicated diagramming tools for complex layouts
- –Large networks can require careful tuning to manage monitoring overhead
- –Multi-vendor MIB coverage may need manual validation for edge devices
Network operations teams
Monitor switch health and map impacts
Earlier infrastructure visibility
Small and mid-size IT teams
Identify Wi-Fi disruptions on local networks
Faster triage
Show 2 more scenarios
Distributed IT operations teams
Validate remote site segments with probes
Coverage for remote infrastructure
Deploy probes for active checks so remote coverage can stay aligned with diagrammed segments.
Network administrators
Turn SNMP traps into diagram-relevant alerts
Less notification noise
Receive filtered traps and surface actionable events in one console to support relationship-based troubleshooting.
Best for: Fits when operations teams need monitoring-driven topology diagrams that stay current with discovery and polling.
ManageEngine OpManager
enterpriseNetwork monitoring software with built-in topology mapping and layer-2 network diagram generation.
Alert-context topology navigation that links diagram elements to OpManager monitoring status and troubleshooting workflows.
ManageEngine OpManager generates network topology visuals from monitored device inventory and ongoing telemetry collection, which keeps diagrams grounded in operational state instead of static drawing data.
- +Topology views remain consistent with SNMP polling inventory and health data
- +Strong monitoring-to-diagram workflow for troubleshooting driven by alerts
- +Export formats support diagram sharing in tools used by network teams
- +Works well when device inventory must stay aligned with ongoing polling
- –Topology diagrams depend heavily on correct discovery and polling configuration
- –LLDP neighbor mapping coverage is not as universally relied on as SNMP-led workflows
- –Advanced diagram modeling needs careful design to avoid clutter at scale
- –API and automation depth are less visible than in diagram-specific builders
Network administrators
Document configurations for network recovery
Repeatable configuration evidence
Network operations teams
Map health across routers and switches
Earlier fault detection
Show 2 more scenarios
IT operations and service operations teams
Trace alarms through mapped paths
More focused triage
Navigate incident alarms using mapped network paths and dependencies to identify affected links and services.
Network security and IT operations teams
Support rogue device investigation
Improved investigation visibility
Use discovered devices and event collection to back investigation workflows for unknown wired-side assets.
Best for: Fits when NOC teams need topology visuals grounded in monitored device inventory and alert context.
Canva
SMBVisual design platform with editable network diagram templates for simple infrastructure communication.
Brand kit and reusable components apply consistent color, typography, and icon sets across many network diagrams.
Canva is distinct in how network diagrams are treated as design assets, with template-driven layout and styling controls that prioritize presentation work.
- +Template and theme styling keeps large diagram sets visually consistent
- +Strong connector and alignment tools improve readability without layout tools
- +Export to PNG and SVG supports broad sharing and documentation workflows
- +Brand kit reuse standardizes icons, colors, and typography across diagrams
- –No native auto-discovery or topology drift detection for live network mapping
- –No SNMP, LLDP, or route data ingestion for automated diagram generation
- –Limited control for diagram governance like RBAC and audit logs
- –Diagram data is not designed for queryable, schema-driven topology management
Business teams and founders
Create network diagrams for slide decks
Branded deck ready to share
Individuals and event organizers
Layout network-themed event materials
Printable event visuals
Show 2 more scenarios
Webcomic creators and storytellers
Design vertically structured storyboard diagrams
Consistent story page sequence
Assemble page-by-page visual layouts using reusable panels and graphic assets for sequential storytelling.
Teachers and school communities
Produce classroom network visuals
Designed materials for sharing
Create educational visuals and yearbook-style pages using templates and design export for sharing or print.
Best for: Fits when teams need shareable network diagrams with brand consistency, not automated topology ingestion.
ConceptDraw DIAGRAM
vertical specialistTechnical diagramming software with network design libraries, topology templates, and engineering-focused visuals.
Network-specific stencil and library workflows designed for manual topology documentation and consistent shape reuse.
ConceptDraw DIAGRAM targets engineering and IT teams that need static-to-semi-dynamic network diagrams with desktop-style drawing controls. It supports network diagram libraries and stencil workflows, plus exports like PNG and SVG and file interoperability such as .vsdx and .drawio.
- +Reusable network stencils and diagram themes support consistent documentation
- +Exports to PNG and SVG support report workflows and documentation portals
- +Import and interchange options include .vsdx and .drawio for mixed toolchains
- +Flexible layout controls help keep dense network diagrams readable
- –Discovery automation is limited compared with SNMP or LLDP polling tools
- –Live topology sync is not the primary workflow for ongoing updates
- –Automation interfaces are not positioned as a core diagram ingestion API
- –Large network sets can become labor-intensive without structured ingestion
IT, facilities, and site planning teams
Document network and site layouts
Clear coordination diagrams
Project managers and schedulers
Map dependencies between project tasks
Consistent dependency diagrams
Show 2 more scenarios
Electrical engineers and documentation teams
Create wiring and one-line documentation
Revision-ready electrical drawings
Produce repeatable schematic drawings and cabinet wiring diagrams using library-based drawing workflows.
Quality and operations improvement teams
Capture causes behind network failures
Structured cause-and-effect map
Create fishbone diagrams that connect categorized causes to hypotheses for structured review.
Best for: Fits when teams need repeatable network diagram drawing and export for documentation, not real-time discovery sync.
diagrams.net
SMBFree diagramming tool for browser and desktop use with network diagram templates and shape libraries.
Importing Visio stencil files into reusable symbol libraries for consistent network diagrams across teams.
diagrams.net is a diagram editor focused on file-based work, with diagrams stored in its native diagrams format and maintained alongside open formats like .drawio. It supports a workflow centered on templates, stencils, and reusable libraries, which suits repeatable network documentation.
- +Native .drawio file workflow keeps diagrams diff-friendly for teams
- +SVG export preserves labels and line geometry for documentation reviews
- +Stencil-driven symbol libraries help standardize network diagram icons
- +Importing Visio stencils speeds migration of existing shape sets
- –No built-in auto-discovery engine for device maps and topology drift checks
- –Topology sync with live inventories requires external tooling and manual updates
- –Network semantics like VLAN relationships need manual layout and labeling
- –Automation requires scripting around file artifacts rather than a network API
Network engineers and infrastructure teams
Document logical and physical rack layouts
Maintainable documentation sets
Business analysts and operations teams
Map processes that touch network changes
Clear process diagrams
Show 2 more scenarios
Consultants and educators
Export diagrams into formal reports
Portable diagram graphics
Export vector or raster graphics for reports and slide decks to keep diagrams portable across documents.
Patent professionals and illustrators
Draft vector block diagrams for figures
Crisp draft figures
Assemble labeled diagram figures with callouts and layouts suited for early patent drawing workflows.
Best for: Fits when teams need editable network diagrams with predictable exports and reusable symbols, not live discovery.
Conclusion
After evaluating 10 network diagram software, Gliffy stands out as our overall top pick — it scored highest across our combined criteria of features, ease of use, and value, which is why it sits at #1 in the rankings above.
Use the comparison table and detailed reviews above to validate the fit against your own requirements before committing to a tool.
Frequently Asked Questions About Network Diagram Software
Which network diagram software is suited to monitoring-driven topology maps?
How do network diagram tools integrate with engineering workflows?
When should a team choose a file-based editor instead of a monitoring platform?
Which tools can reuse existing Visio network diagrams?
What security and administration controls matter for shared network diagrams?
What technical inputs are required for automated topology mapping?
Where do manually maintained diagram tools fall short for live network operations?
How should teams start a network documentation workflow for mixed infrastructure?
Tools reviewed
Primary sources checked during evaluation.
Referenced in the comparison table and product reviews above.
How to Choose the Right Network Diagram Software
We separate network diagram options by how they model what’s connected and keep diagrams trustworthy as the network changes. The biggest differences show up in import and sync, API automation, and diagram edit controls.
Import accuracy from device data sources
Why it matters
Import accuracy from device data sources determines whether your diagrams start correct instead of needing weeks of manual cleanup. For network diagrams, small mismatches quickly cascade into wrong paths and mislabeled links.
How to check
Load a small real sample (a few switches/routers) and compare nodes and links to what you expect from your records. Ask the demo to show what happens when a device is missing a field: does it skip, guess, or flag gaps?
Update frequency and topology sync behavior
Why it matters
Update frequency and topology sync behavior matters because networks drift. If updates overwrite manual edits or lag too far behind, diagrams stop reflecting reality.
How to check
Start with an imported diagram, make a manual annotation or label, then run an update. Verify whether the edit stays, how conflicts are handled, and whether old links are marked, removed, or left as historical traces.
Diagram layout control and grouping
Why it matters
Diagram layout control and grouping affect how quickly teams can read the diagram under time pressure. Good grouping also keeps large networks understandable without constant rework.
How to check
In the editor, try multi-select, auto-arrange versus manual placement, and grouping/ungrouping. Check whether link routing stays readable when you move devices or collapse groups.
API and automation workflow coverage
Why it matters
API and automation workflow coverage matters when you want diagrams to fit into provisioning and documentation workflows. Without it, updates stay tied to manual exports and rework.
How to check
Ask for an API example that can create or update a diagram from external data, then confirm authentication method options. In a demo, show a workflow that updates labels or attributes without opening the UI.
Data model fidelity for ports and links
Why it matters
Data model fidelity for ports and links keeps your diagram from becoming a picture. When ports, interfaces, and link endpoints are modeled consistently, diagrams support repeatable changes and comparisons.
How to check
Pick one known connection and verify the diagram preserves interface-level details for both endpoints. Then change one endpoint name and see whether the link updates cleanly without creating duplicates.
Export options that preserve links and metadata
Why it matters
Export options that preserve links and metadata matter when you share with teams that don’t use the same tool. If exports flatten everything, the receiver loses context needed to validate paths.
How to check
Export to common image and document formats and check whether node/link labels remain readable and whether any clickable references are preserved. If the tool supports structured export, confirm that key attributes (device, interface, connection) survive.
Red flags
- Imports produce many “unknown” endpoints without clear gap reporting
- Updates wipe or scramble manual labels and groups after a sync
- Exports remove interface-level details needed to validate links
Fit by situation
- If you rely on existing device outputs to get diagrams started, prioritize import accuracy from device data sources.
- If your team edits diagrams for day-to-day operations, prioritize update frequency and topology sync behavior.
- If you need diagrams to refresh from external tooling, prioritize API and automation workflow coverage.
Funding and competing interests
This study was co-funded by several of the vendors assessed in it. No single vendor funded it. Funders could propose the market studied.
They had no role in selecting vendors, setting or weighting criteria, analysing data or drawing conclusions, and they received the same factual-accuracy check as every other vendor assessed.
Market definition, inclusion rules and criteria weights were fixed by an editor before research began and did not change afterwards. Editorial process →
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