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Top 5 Best ER Diagram Tools 2023

Entity-Relationship (ER) diagrams are crucial for understanding and organizing complex data structures, especially in the realms of database design, software engineering, and business analysis. 

As the demand for data management grows, the need for robust ER diagram tools becomes more pressing. Lucidchart, Visual Paradigm, Draw.io, Microsoft Visio, and Gliffy are some of the leading tools in this space, each with its unique set of features and capabilities. 

From cloud-based solutions that encourage real-time collaboration to tools that support a wide array of databases, these platforms cater to diverse needs. Whether you’re a seasoned database designer or a beginner looking to make sense of intricate data relationships, there’s a tool tailored for you. 

1. Lucidchart

Screenshot of Lucidchart's website interface

Lucidchart is a multi-purpose platform that supports a wide array of databases and encourages collaborative modeling. The tool is cloud-based, allowing you to start diagramming from any device, browser, or operating system. Lucidchart offers a range of standard shapes and dedicated libraries for ER diagrams. You can also import your database tables and schemas directly onto the canvas, streamlining the ERD creation process.

The tool’s entity-relationship diagram maker helps you visualize relationships between different types of data. It even allows you to import your Salesforce schema, eliminating the hassle of managing Salesforce object infrastructure. Lucidchart’s template gallery offers over 1,000 custom-made diagramming templates, providing inspiration for your projects. With thousands of 5-star ratings on platforms like Capterra, G2, and TrustRadius, Lucidchart has proven its worth in the diagramming space.


  • Collaborative Modeling: Lucidchart’s real-time collaboration feature enhances productivity, allowing teams to work together seamlessly.
  • Database Support: The tool supports multiple databases, including the ability to import Salesforce schemas, making it versatile for different projects.
  • Template Richness: With over 1,000 templates, Lucidchart offers a wealth of options for users to kickstart their diagramming projects.


  • Learning Curve: While Lucidchart offers a range of features, newcomers might find it overwhelming initially.
  • Pricing: The free version has limitations, and to unlock all features, a paid subscription is necessary.

2. Visual Paradigm

Snapshot of Visual Paradigm's website interface

Visual Paradigm is a robust tool that caters to a wide range of diagramming needs, including Entity-Relationship (ER) diagrams. The tool supports conceptual, logical, and physical data models, making it versatile for various stages of database design. One of the standout features is its support for both reverse and forward engineering. This means you can generate ER diagrams from an existing database and vice versa, which is a significant time-saver.

The tool is trusted by over 320,000 professionals and organizations worldwide, from small businesses to Fortune 500 companies. It offers a rich set of Agile and Scrum tools for project management, making it more than just a diagramming tool. Visual Paradigm is cloud-based, allowing for seamless team collaboration. You can work on the same project simultaneously and keep your work securely in the cloud workspace, accessible anytime, anywhere.


  • Versatile Data Modeling: Visual Paradigm supports conceptual, logical, and physical data models, offering a comprehensive solution for database design.
  • Engineering Support: The tool allows for both reverse and forward engineering, making it easier to create and update ER diagrams.
  • Team Collaboration: Being cloud-based, the tool enables real-time collaboration, enhancing productivity and ensuring that everyone is on the same page.


  • Pricing: While there is a free version, it comes with limitations. To unlock all features, a paid subscription is required.
  • Learning Curve: Given its extensive functionalities, it may take some time to get accustomed to all the features.

3. Draw.io

Image of Draw.io's browser-based website interface 

Draw.io is a free tool that offers manual design options for creating Entity-Relationship (ER) diagrams. One of its major advantages is its cloud storage support, which allows you to save your work on platforms like Google Drive, OneDrive, Dropbox, GitHub, and GitLab. This feature ensures that you can access your diagrams from anywhere, at any time.

The tool is browser-based, meaning you don’t have to download any software to start using it. Draw.io offers a wide range of shapes and connectors, giving you the freedom to design your ER diagrams exactly how you want them. It also supports multiple languages, making it accessible to a global audience.


  • Free to Use: Draw.io is completely free, making it accessible to individuals and small businesses alike.
  • Cloud Storage Support: The tool allows you to save your diagrams on various cloud storage platforms, ensuring easy access and collaboration.
  • Manual Design Flexibility: Draw.io offers a range of shapes and connectors, giving you complete control over the design of your ER diagrams.


  • Limited Features: Being a free tool, Draw.io lacks some of the advanced features found in paid alternatives.
  • No Real-Time Collaboration: The tool doesn’t offer real-time collaboration features, which could be a drawback for team projects.

4. Microsoft Visio

Screenshot displaying Microsoft Visio's website interface

Microsoft Visio is a specialized diagramming software, a part of the Microsoft 365 suite, aimed at transforming complex data into understandable visuals. It’s a dual-platform tool, available both as a desktop application and a web app, offering flexibility in how and where you work.


  • Customization: Wide range of templates and shapes for specific project needs.
  • Collaboration: Real-time co-authoring for quick team decisions.
  • Data Integration: Links to multiple data sources for dynamic, real-time visuals.


  • Cost: Part of Microsoft 365 subscription, not budget-friendly for all.
  • Platform Limitation: Tied to Microsoft 365, not ideal if you use other platforms.

5. Gliffy

Snapshot of Gliffy's interface

Gliffy is a diagramming tool designed for easy visual collaboration. It’s built to serve various teams, including software developers, product teams, and IT teams. With over 18 million users, Gliffy has a strong presence in the diagramming software market. It offers deep integration with Atlassian’s tools, making it a go-to choice for many businesses. However, the cost and platform dependency could be potential drawbacks depending on your team’s specific needs. It’s essential to consider these factors when choosing a diagramming tool for your projects.


  • User-Friendly: Gliffy offers an intuitive drag-and-drop interface, making it easy for users to create diagrams without a steep learning curve.
  • Collaborative Features: Real-time collaboration is a standout feature in Gliffy. Teams can work on the same diagram and make updates simultaneously.
  • Version Support: Gliffy supports previous versions and allows for easy import/export of diagrams, providing flexibility in how you manage your projects.


  • Limited Templates: While user-friendly, the tool may not offer as many templates as some other specialized diagramming tools.
  • Atlassian Dependency: Gliffy is deeply integrated with Atlassian’s ecosystem, which could be limiting if your team uses different platforms.
Sr. NoTool NameDescriptionBest For
1LucidchartCloud-based, supports multiple databases, offers real-time collaboration and over 1,000 templatesTeams needing real-time collaboration and versatility
2Visual ParadigmSupports conceptual, logical, and physical data models, offers reverse and forward engineeringComprehensive database design and team collaboration
3Draw.ioFree, browser-based, offers manual design flexibility and cloud storage supportIndividuals and small businesses on a budget
4Microsoft VisioPart of Microsoft 365, offers wide customization and data integrationBusinesses using Microsoft 365
5GliffyUser-friendly, offers real-time collaboration and deep integration with Atlassian toolsTeams using Atlassian tools

Closing thoughts

Choosing the right ER diagram tool is a necessity. If real-time collaboration is a priority, cloud-based solutions like Lucidchart and Visual Paradigm are worth considering. For those who prefer a free, straightforward tool, Draw.io is a viable option. Microsoft Visio and Gliffy offer deep integration with other software suites, making them suitable for businesses already invested in those ecosystems. 

Ultimately, the best tool will balance functionality, ease of use, and cost to offer a comprehensive solution for your diagramming needs.

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Suraj Santlani

Suraj is a seasoned SaaS and MarTech writer with three years of experience under his belt. When he's not unraveling the complexities of the latest software or breaking down marketing trends, chances are he's enjoying a good cup of coffee or hitting a scenic hiking trail. With a knack for translating tech-speak into plain English, Suraj is committed to making technology and marketing accessible and relatable to everyone.

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