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Diagram Software - Page 2

Last updated: April 2026

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55 software options

draw.io logo

Open platform for creating & sharing diagrams

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draw.io is a free diagramming application for creating and sharing diagrams within any web browser, with integration to G Suite/Google Drive & Dropbox

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Collaboard logo

GDPR compliant online whiteboard with self-hosting options

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Swiss online whiteboard software for creative and interactive collaboration to bring your online meetings, and workshops to the next level. The software is GDPR-compliant, and the data is hosted securely in NL and Switzerland. You can also self-host the data on-premises or in your cloud.

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Moqups logo

Wireframe, Diagram & Whiteboard Online

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Moqups is a cloud-based visual collaboration tool that helps organizations create & validate functional prototypes for designing websites or mobile applications. Whiteboard functionality lets teams collaborate on wireframes, mockups, and diagrams, and develop sitemaps, storyboards or flowcharts.

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EdrawMax logo

All-in-one diagram tool.

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Edraw Max is an all-in-one diagram creation solution that allows businesses to design a range of diagrams for illustrating workflows, floor plans, organizational charts, and more. The platform allows users to create flow charts, mind maps, fishbone diagrams, UML diagrams, and more.

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Visio logo

Diagramming, process modeling & data visualization

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Microsoft Visio is a cloud-based flowchart and diagram creation tool, designed to aid collaboration and connect real-time data with business workflows. The platform enables communication of complex information through data-linked diagrams, flowcharts, org charts, floor plans, and more.

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Astah System Safety logo

MBSE tool for safety-critical systems

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Astah System Safety is a MBSE tool that supports safety analysis, design, and assurance. It enables creating diagrams and models like ISO26262, STAMP, STPA, GSN, SysML, SOTIF, ASAM SCDL, and safety concepts for system engineering of autonomous systems.

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Astah UML logo

On-premise diagram tool for software design.

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Astah UML is an on-premise diagram tool that allows users to create various UML diagrams such as class diagrams, ER diagrams, sequence diagrams, and activity diagrams. The tool is available for Windows, Mac, and Linux operating systems. Astah UML helps users create flowcharts, compare figures, switch icons, and more. Additionally, it also provides an API that facilitates integration with other software development tools, allowing users to extend its functionality.

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Cacti logo

Network graphing RRDTool

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Cacti is an application performance management and monitoring RRDTool used to administrate network graphing functions. Cacti provides in-depth graph templating, numerous data acquisition methods all controlled through it's dashboard.

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Astah Professional logo

Project documentation tool

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Astah Professional is a design tool that helps users create project documentation. Users can create UML diagrams, ERD, DFD, flowcharts, CRUD, requirement diagrams, and mind maps.

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Creately logo

From Idea to Execution - 10x Faster with AI Diagrams

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Creately is a next-generation AI-powered diagramming tool trusted by professionals worldwide. Whether you need genograms for counseling, org charts for business, or UML for software, Creately delivers with an intuitive editor and smart templates.

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Slickplan logo

Plan websites faster, together.

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Create user journeys, decision trees and workflows connected directly to sitemap pages for accurate UX planning.

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Apache OpenOffice logo

Multilingual open-source office suite

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Apache OpenOffice is an open-source office suite that helps organizations create spreadsheets, presentations, and graphics, among other files. The writer module offers document templates, which allow team members to create letters, agendas, and faxes with table of contents, references, and notes.

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MyDraw logo

MyDraw- Advanced Diagramming Software

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MyDraw is a cloud-based whiteboard solution that helps small to large businesses create flowcharts and diagrams via text formatting, automatic layouts, barcodes, image generation, and pre-made templates. Key features include data import/export, predefined shapes, user interface, and more.

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VisionFlow logo

Product dev., ALM, ITSM, Help Desk, Project Mng. and CRM

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VisionFlow is a powerful, web-based software with modules for Issue Tracking, Customer Support, CRM, Time Management, Document management, Product and Release management, Asset Management and much more. VisionFlow offers extensive functionality but is easy to use and flexible at the same time.

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Pencil Project logo

GUI prototyping software with built-in shapes collection

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Pencil Project is an open-source GUI prototyping software designed to help developers create mockups across popular desktop platforms. It lets teams draw different types of user interfaces ranging from desktop to mobile platforms using the built-in shapes collection.

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SmartDraw logo

Precise floor plans and diagrams without CAD complexity

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SmartDraw makes professional drawings and diagrams accessible to everyone. SmartDraw can replace Lucidchart or Visio at your enterprise. Create flowcharts, organizational charts, floor plans, CAD drawings, project charts, network diagrams, UML diagrams, AWS, Azure, and more.

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ClickCharts logo

Flexible Diagram Drawing and Creation

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ClickCharts is a flow chart and mind mapping solution that helps businesses design diagrams from within the centralized platform. Staff members can generate visualizations to generate insights into organizations, processes, UML diagrams, and more.

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Cyzag logo

Driven by Data, Powered by You

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Cyzag boosts profitability by streamlining workflows, improving efficiency, and empowering teams with data-driven insights.

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Sketchboard logo

Virtual whiteboard solution for businesses of all sizes

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Sketchboard is a virtual whiteboard software that enables businesses of all sizes to visualize, share ideas, and collaborate with remote teams in real-time. Software development teams can utilize the platform to send or receive feedback on ideas, post comments, and share private whiteboards.

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Textografo logo

Create flowcharts, mind maps and such from text

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Textografo is an online diagramming tool that enables users to create static and animated diagrams from text, including decision trees, mindmaps, and flowcharts

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Astah SysML logo

SysML modeling tool

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Astah SysML is a system modeling tool that supports analysis and design using the Systems Modeling Language (SysML) standard. It allows system engineers to create various SysML diagrams like block definition diagrams, requirements diagrams, and parametric diagrams to model complex systems.

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UMLBoard logo
(0)

Create fancy unified modeling language (UML) diagrams

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UMLBoard is an easy-to-use diagram editor for unified modeling language (UML) class diagrams with a nice hand-drawn whiteboard look.

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SankeyJourney logo
(0)

Visualize Your Customer's Journey with SankeyJourney

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Online tool for analyzing user journeys through Sankey diagrams or flow charts. Upload a CSV file containing event data from your website or app, and quickly generate an interactive data visualization interface that illustrates your customer paths. Boost your engagement, retention, and monetization.

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Cloudairy logo
(0)

Workspace for creating animated architecture diagrams

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Cloudairy is a visual collaboration platform that transforms how distributed teams ideate, plan, and build together.

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Galaxy Modeler logo
(0)

Design and visualize GraphQL schemas

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Galaxy Modeler is a diagramming tool for visual GraphQL® data modeling.

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