7 Best FREE Network Diagram Software (2024)

Network Diagram Software tools define networks graphically. These detailed network diagrams help users illustrate the relationship between different network components, devices, and nodes. Using these software tools, users can document and design different networking patterns.

An unstable network diagramming software solution may not serve the purpose effectively. There can be limitations in functionality, incompatibility issues, customizations, and security concerns. Keep in mind these are not the only areas of concern. A bad tool may lack the presence of relevant technical support to address queries. Henceforth, it is important to install good Network Diagram Maker.

We have explored several of these software tools to understand their true potential. We scrutinized these software solutions and picked a select few. Go through our detailed Network Diagram tools review to understand their features, Pros and Cons, and pricing.
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Best Network Diagram Software (Free & Open-source)

Tool Name Supported Platforms Key Features Free Trial Link
👍 Network Topology Mapper Windows, macOS, and Linux • Alerts for specific events
• Instant New Device Detection
14-Days Learn More
👍 Miro Windows, macOS, Android, iOS • Advanced facilitation tools
• AI-generated Mindmaps
Lifetime Free Basic Plan Learn More
EdrawMax Windows, macOS, Android, iOS, Linux • Floor plan design
• Foundational system development
15-Days Learn More
Lucidchart Windows, macOS, Android, iOS, Linux • Intelligent diagramming feature for better clarity
• Real-time collaboration
Lifetime Free Basic Plan Learn More
Microsoft Visio Windows, macOS, Android, iOS, Linux • Creating flowcharts
• Easy to develop org charts
30-Days Learn More

1) SolarWinds Network Topology Mapper

SolarWinds Network Topology Mapper is a network diagram tool. It is capable of designing accurate maps for different network devices.

The reporting features include graphic visualization to address different network infrastructure issues. You can generate network maps automatically using the Automated Network Diagram feature.

#1 Top Pick
Network Topology Mapper
5.0

Integrations: Datadog, SmartDraw, Nmap etc.

Traceable Version History: Yes

Drag and drop editor: Yes

Free Trial: 14-Days Free Trial

Visit SolarWinds

Features:

  • Everything Automated: Enjoy fast and easy LAN topology mapping using the automated process.
  • Auto-discovery: The auto-discovery feature uncovers all the devices present in your network. If any device is added, the tool detects automatically and alerts.
  • Customize maps: You may customize maps for better visual appeal and productivity.
  • Multiple maps from a single scan: You can now create multiple LAN topology maps from a single scan. You need not have to go for network discovery rescanning to create several maps. Thus, you will save a lot on your effort, time, and bandwidth.
  • Report Generation: You can use NTM to generate reports on VLANs, network switch diagrams, device Inventory, and Subnets.

Pros

  • Option to export maps in PDF and PNG format.
  • Maps created are HIPAA, FIPS 140-2, SOX, and PCI compliant.
  • Automatic report generation.

Cons

  • A free trial is available only for 14 days.
  • The installer will not run if Microsoft SQL CE 3.5 SP1 or SP2 is installed.

Visit SolarWinds NTM

14-Days Free Trial


2) Miro

Miro is a free network diagram software solution. It provides a digital canvas so teams can brainstorm, plan, and collaborate while managing projects.

Miro is an ideal choice for a team working in a distributed or remote environment. Teams of any size can use Miro’s visually interactive workspace to better streamline the workflow process.

#2
Miro
4.9

Integrations: Jira, Asana, Zoom, Slack etc.

Traceable Version History: Yes

Drag and drop editor: Yes

Free Trial: Lifetime Free Basic Plan

Visit Miro

Features:

  • Workflow Automation: Miro AI lets you auto-generate ERD and UML diagrams within seconds.
  • Create diagrams from codes: The inclusion of Plant UML and Mermaid apps allows you to transform codes into diagrams quickly.
  • Automated Diagramming: This feature creates AI-based diagrams with a few clicks.
  • Interactive Video Collaboration: Communicate with your team members through video for better decision-making.
  • Central Workspace: One workspace is what Miro uses to accumulate data and content for teams. This approach makes it easy for teams to make better decisions.

Pros

  • Over 130 apps are supported.
  • Certified under NIST, ISO/IEC 27001, SOC2, TISAX, Type II, and SOC3.
  • Uses the Kanban method to track tasks.

Cons

  • Unlimited boards are not available in the free Version.
  • Flexible licensing is applicable only for the Enterprise Plan.

Visit Miro >>

Lifetime Free Basic Plan


3) EdrawMax

EdrawMax is a network planning software solution. This tool makes it the least time-consuming for users to design high-quality visual content and network diagrams.

The network diagrams software is a flagship product and versatile in features and individual preferences. Through this platform, organizations can visually represent concepts, processes, and information.

EdrawMax

Features:

  • Built-in Symbol Libraries: Follows the latest industry standards when including signs and symbols.
  • Easy sharing option: Supports different file formats like PDF, JPG, SVG, PNG, Excel, Visio, and Word to export your files.
  • Import Visio Files: You can easily import your Visio files using the “Import” feature.
  • Create Slideshows: EdrawMax has a built-in Slideshow Maker to create professional-level presentations.
  • Annotate icons: Users can annotate the icons using the premade symbols and shapes for easy and fast diagramming.

Pros

  • Wide range of professional grade templates available.
  • Can customize.VSD and VSDX files.
  • PEST and SWOT analysis diagrams based on user prompts.

Cons

  • Encrypt files are not available in the Free Version.
  • The Lifetime Plan comes with only 1GB of cloud storage.
  • Watermark on diagrams when using the free network mapping tool.

Visit EdrawMax >>

15-Days Free Trial


4) Lucidchart

LucidChart is a network design software tool for designing and developing network diagrams. This tool makes it super easy to develop and share these diagrams.

This open source networking diagram software tool creates mind maps, flowcharts, and organizational charts. These charts identify different areas within the industrial processes, concepts, and systems. Using these charts, you can envision better ideas to implement in the processes.

Lucidchart

Features:

  • Import from Visio: You can import all the Visio extension files .VSDX, .VSD, and . VDX and work on those projects.
  • Layered Diagram creation: This network diagram generator creates layers within diagrams. It helps in highlighting action buttons, process phases, external links, etc.
  • Better collaboration: Use the @mention comments and in-chat editor to share feedback. You also customize permissions for shared content.
  • Better clarity: The Intelligent Diagramming feature creates a clear outlook for complex processes and projects.
  • Real-time collaboration: LucidChart makes it easy for team members to collaborate from anywhere for better productivity.

Pros

  • Group view for organizational charts.
  • Dropbox paper availability.
  • Email and link sharing option.

Cons

  • A limited number of premium templates are in the Free edition.
  • Add passcode feature is available on the Enterprise edition.

Visit Lucidchart >>

Lifetime Free Basic Plan


5) Microsoft Visio

Microsoft Visio is one of the best software for network diagrams. Visio is part of the Microsoft Office 3645 Suite.

This tool creates network mapping structures. It also creates other visual content to represent systems, concepts, information, and processes.

Microsoft Visio

Features:

  • Real-time collaborations: Using Visio, you can give a professional touch to network maps. It helps in better process execution and data visualization.
  • Accurate Scalable Templates: The templates available with Visio help visualize the flow and functionality of the diagrams with accuracy.
  • Enhanced accessibility: High-contrast support, accessibility checker, and narrator make the Visio diagrams easily accessible.
  • High-end security: Visio comes with enterprise-level security features and encryption for securing network diagrams.
  • Data Connectivity: Users can easily connect the network diagrams to different data sources like SQL Server, SharePoint, and MS Excel.

Pros

  • Supports the development of Gantt Charts and Project timelines.
  • Infographic timelines are available.
  • Microsoft 365 subscribers can print, share, and view diagrams on the go.

Cons

  • Power BI Integration is not available in the free Plan.
  • Custom shapes with programmability feature only on paid plans.

Visit Microsoft Visio

30-Days Free Trial


6) Visme

Visme is a visual content development tool. Use this tool to create social media graphics, flowcharts, infographics, network maps, etc.

Visme is perfect for designing, sharing, or storing aesthetically appealing content.

Visme

Features:

  • Network Diagram Templates: The best way to design a network diagram in Visme is by using the templates available.
  • Premade Diagram blocks: Visme offers the easiest way to create visual content using readymade diagram connectors and blocks.
  • Easy customization: Every diagram you create through Visme can be customized in numerous ways for better network management.
  • Drag-n-Drop Functionality: Any diagram in Visme comes with an easy drag-n-drop facility.
  • Numerous sharing options: Share your network diagram as an offline web page, embed it within the website, or in PDF or image file format.

Pros

  • Personalize fonts, colors, styles, icons.
  • Easy accessibility of your files from a centralized location.
  • Can manage an unlimited number of projects.

Cons

  • Custom sub-domains are not available in Basic, Starter, or Pro plans.
  • Free Plan does not support the Remove Image Background option.

Visit Visme >>

Lifetime Free Basic Plan


7) Creately

Use Creately to design charts, flowcharts, mind maps, and other visual diagrams. The intuitive user interface allows you to collaborate on different visual projects with teams.

Creately lets you assign roles to different team members while gathering the necessary information for better work productivity.

Creately

Features:

  • Advanced diagramming: Creately features 8000+ professional templates. Additionally, there are hand drawing options and mark-up support for developing diagrams.
  • Easy workflow management: Manage your workflow with the help of Kanban Boards. You may also use multiple boards for advanced-level workflow management.
  • Best-level collaboration: With advanced sharing options like Zoom, Slack, and Microsoft Teams, you can collaborate.
  • Real-time collaboration: Bring together all the participants and collaborate in real-time while working on one project.
  • Visual Note-taking: The presence of On-Canvas-rich text makes it easy to take visual notes.

Pros

  • Unlimited users for Business and Enterprise Plans.
  • Create shortcuts for easy management of the workspace.
  • Comment on any diagram or content.

Cons

  • The free network mapping software version comes with a limited storage option.
  • Multiple Accounts and Admins are only available in the Enterprise Plan.

Visit Creately >>

Lifetime Free Basic Plan

What is a Network Diagram?

A network diagram demonstrates an organization through the visual medium. It also reflects on the organization’s interactions with the team members. Such diagrams help in improving business productivity.

A physical network diagram focuses on the essential physical aspects within the network topology like racks, cables, ports, etc.

A logical network diagram focuses on the connections and other elements that remain invisible but are associated with the physical objects in the network.

Network diagrams focus on planning, implementing, and troubleshooting different network issues.

The three most common types of network diagrams are:

  • Computer Network
  • Network Security
  • Switch Diagrams

Whether it is physical or logical network diagrams, they focus on either a singular component or multiple aspects within a network.

Why are Network Diagrams Useful?

Network diagrams can be useful for different purposes. Review these diagrams to have a better understanding of their network components, their interaction procedures, and connectivity status.

Here are some of the other advantages of using network diagrams.

  • You can troubleshoot any network problems and create reports.
  • These diagrams can be beneficial in designing a professional network or updating an existing network.
  • Users can send relevant info or keep track of some components using these diagrams.

FAQs

Different types of network diagrams serve different purposes. Here are the different types:

  • Topology Diagram
  • Logical Network Diagram
  • LAN Diagram
  • WAN Diagram
  • Wireless Network Diagram
  • VoIP Network Diagram
  • VPN Diagram
  • Data Center Diagram
  • Subnetting Diagram
  • Load Balancing Diagram
  • Hierarchical Network Diagram
  • Enterprise Network Diagram

Microsoft Visio is one of many best network diagram software available. Certainly, it is a great tool for creating visual charts, customizing maps, and other visual content development. Alternatively, other tools like EdrawMax, NTM, and Miro make developing and integrating network diagrams easy.

Verdict

We always aim to review the best tools. When selecting a network diagram tool, you only need clarity, ease of operation, sharing options, and customization. Accordingly, we have our 3 top picks:

  • SolarWinds NTM: The Network Topology software is an excellent tool for creating network maps and flowcharts without effort. Additionally, this tool also comes with live updates.
  • Miro: Creating visual representations of your network becomes faster and easier with Miro. Use the Comment Feature to receive feedback instantly from other members.
  • EdrawMax: One of the best network mapping software tools for creating network diagrams. EdrawMax features professional-level templates and icons, making it super easy and fast.

Best Network Diagram Software (Free & Open-source)

Tool Name Supported Platforms Key Features Free Trial Link
👍 Network Topology Mapper Windows, macOS, and Linux • Alerts for specific events
• Instant New Device Detection
14-Days Learn More
👍 Miro Windows, macOS, Android, iOS • Advanced facilitation tools
• AI-generated Mindmaps
Lifetime Free Basic Plan Learn More
EdrawMax Windows, macOS, Android, iOS, Linux • Floor plan design
• Foundational system development
15-Days Learn More
Lucidchart Windows, macOS, Android, iOS, Linux • Intelligent diagramming feature for better clarity
• Real-time collaboration
Lifetime Free Basic Plan Learn More
Microsoft Visio Windows, macOS, Android, iOS, Linux • Creating flowcharts
• Easy to develop org charts
30-Days Learn More