Alternatives to ChatUML

Compare ChatUML alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to ChatUML in 2026. Compare features, ratings, user reviews, pricing, and more from ChatUML competitors and alternatives in order to make an informed decision for your business.

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    SmartDraw

    SmartDraw

    SmartDraw

    SmartDraw makes professional drawings and diagrams accessible to everyone. Non-technical users can quickly create floor plans, while professionals get the precision and scale they require. With industry-leading floor planning tools and an intuitive interface for traditional diagramming like flowcharts and organizational charts, SmartDraw delivers enterprise-ready power without unnecessary complexity. Key features: - Large collection of symbols and templates - Ability to create custom shapes - Import PDFs, images, Google Maps, Visio files, Visio stencils - Draw to any scale - Enrich drawings with data - Generate manifest and bills of materials - Generate diagrams from data automatically like org charts, AWS, Azure, PI Boards, and more - Use natural language text prompts to generate diagrams with AI - Save files directly to OneDrive, SharePoint, or Google Drive, or other preferred provider - Integrations with the Microsoft and Google enterprise stack plus Confluence and Jira
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    Venngage

    Venngage

    Venngage

    Venngage is the simple design platform for bringing your dull data, dry documents and complex communications to life. Using our engaging visual communication templates, created by our expert in-house designers, Venngage users can easily create powerful visuals; no design experience required. Our easy-to-use drag and drop editor, alongside some helpful articles, videos and courses, will have you creating dazzling designs in minutes. Venngage has a wide range of templates perfect for business and professional communications including infographics, charts, reports, diagrams, mind maps, presentations, and more so that you can impress your boss, your clients, prospects and online audience.
    Starting Price: $10/month
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    Lucidchart

    Lucidchart

    Lucid Software

    Lucidchart is an advanced diagramming tool designed to help businesses and teams optimize their processes, systems, and workflows with intelligent, data-driven diagrams. The platform combines powerful AI features, such as AI-generated diagrams, data linking, and real-time collaboration, to make visualizing complex systems and architectures faster and more efficient. Lucidchart supports multiple use cases, including process maps, flowcharts, technical diagrams, organizational charts, and systems planning. Its seamless integrations with popular apps like Jira, Confluence, Slack, and Teams allow for enhanced collaboration, enabling teams to align on priorities and act on insights quickly. Lucidchart is the perfect tool for anyone looking to create professional diagrams in less time, while fostering better decision-making and innovation.
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    Starting Price: $7.95/month/user
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    Miro

    Miro

    Miro

    Keep your team's minds in sync with Miro (formerly RealtimeBoard and AWW app). A virtual whiteboard and remote collaboration tool, Miro helps cross-functional teams work more efficiently together to build great things. The platform allows teams to ideate, visualize, and share ideas without any boundaries. It comes with over 200 pre-made templates for capturing and visualizing ideas, collaboration tools such as comments, chat, screen sharing, and video chat, and integrations with popular business tools. Miro AI. You and your team, supercharged. You're here to create the next big thing and we're here to help. Unlock the power of your ideas with Miro AI – your new launchpad for creativity, collaboration, and productivity.
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    Starting Price: $8 per month
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    Diagramming AI

    Diagramming AI

    Diagramming AI

    Diagramming AI is an AI-powered platform designed to simplify diagram creation for professionals across various industries. It allows users to instantly generate various diagrams like flowcharts, UML, sequence diagrams, Gantt charts, and ER diagrams from text descriptions. Users can also interact with AI in discussion mode and update mode to refine and edit diagrams in real time. The platform integrates a visual editor with Excalidraw, enhancing diagrams with intuitive drag-and-drop controls. It automatically resolves diagram errors and supports formats like Mermaid, PlantUML, and Graphviz. Diagramming AI also features a flexible export system and provides templates to jumpstart projects. The tool caters to developers, project managers, data analysts, and other professionals needing to visualize processes, systems, and structures.
    Starting Price: $3 per month
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    AutoDiagram

    AutoDiagram

    AutoDiagram

    AutoDiagram is an AI-powered platform that transforms textual descriptions into professional-grade diagrams, streamlining the visualization process for professionals across various fields. Users can simply input their concepts in plain text, and the AI interprets the context to generate accurate visuals, supporting over 20 diagram types including flowcharts, ER diagrams, architecture maps, and sequence diagrams. The platform offers intelligent error prevention to ensure high-quality outputs and provides multiple export options such as SVG, PNG, and PDF for seamless sharing and collaboration. AutoDiagram is accessible through a free plan, allowing the creation of up to five diagrams per month, and a Pro plan at $9 per month for unlimited diagram creation and advanced features. We prioritize data security with industry-standard protocols and encryption measures to protect your diagrams and information.
    Starting Price: $9 per month
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    Mermaid

    Mermaid

    Mermaid Chart

    Mermaid is an AI-powered diagramming and visual collaboration platform that enables users to create flowcharts, system architecture diagrams, timelines, and other visualizations using natural language, code, or a graphical editor. The software transforms text prompts, uploaded documents, meeting transcripts, and code snippets into editable diagrams. Its AI assistant supports conversational diagram generation, diagram modifications, and recommendations for selecting appropriate visualization types. Users can create sequence diagrams, Gantt charts, entity relationship diagrams, mind maps, organizational charts, and other technical or business visualizations using Mermaid syntax. The platform provides real-time collaboration, shared workspaces, visual editing tools, diagram presentations, and integrations with developer and productivity applications. Mermaid also supports Model Context Protocol (MCP) integrations, version-controlled diagrams, single sign-on, and more.
    Starting Price: $6.67 per month
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    dAIgram

    dAIgram

    dAIgram

    Daigram is an AI-powered diagram generator that uses OCR (Optical Character Recognition) technology to convert images of flowcharts, diagrams, and other visual data into editable digital files. Users can upload hand-drawn sketches, screenshots, or existing diagrams, which are then analyzed by the AI to identify shapes, links, and text. These elements are transformed into digital, editable diagrams, allowing for easy modification and customization. The platform supports various diagram types, including flowcharts and graphs, with plans to add more types like sequence diagrams, user journey maps, and mind maps. Daigram provides an intuitive interface to adjust the diagrams, such as changing shapes, colors, and text, and then allows users to export their work in formats like JPG, PNG, PDF, and JSON. It is especially useful for professionals in software development, project management, data analysis, education, and marketing, as it streamlines the creation and modification of diagrams.
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    Gleek

    Gleek

    Gleek

    Gleek is a text-to-diagram tool designed for developers to create various types of diagrams using only the keyboard, eliminating the need for a mouse. It supports a range of diagram types, including flowcharts, UML class and sequence diagrams, state machine diagrams, Gantt charts, user journey diagrams, and entity-relationship diagrams. Gleek uses a unique, intuitive syntax that allows users to quickly generate diagrams by describing them in text and offers tools for live collaboration and version control. The platform allows for easy customization of diagram design, export options, and the use of pre-designed templates. It is ideal for quickly visualizing software architectures, processes, and project plans. Gleek helps streamline the process of diagramming with a focus on simplicity, speed, and efficient collaboration, making it especially useful for software developers, project managers, and engineers.
    Starting Price: $6.95 per month
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    DiagramGPT
    3 types are currently available – entity relationship diagrams, cloud architecture diagrams, and sequence diagrams. A 4th type, flow charts are coming soon. Given user input, DiagramGPT uses OpenAI's GPT-4 to classify the appropriate diagram type and to generate Eraser's diagram-as-code syntax.
    Starting Price: $10 per user per month
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    draft1.ai

    draft1.ai

    draft1.ai

    Draft1.ai is an AI-powered platform designed to automate the creation of diagrams and documentation. It helps users generate a variety of visual representations, such as software architecture, network, infrastructure, ER (Entity-Relationship), and cloud diagrams, all from simple text inputs. By copying and pasting rough notes or ideas, users can instantly generate diagrams that visualize multiple aspects of their input. These diagrams are editable, and users can customize text, color, and images with ease. Draft1.ai allows users to create documents and reports enriched with visual content, optimizing both clarity and presentation. The platform integrates seamlessly with tools like draw.io for further adjustments and supports downloads in formats like PDF, DOCX, or Markdown. Additionally, it can generate detailed reports with sections on data flow, security, and other technical considerations.
    Starting Price: $12 per month
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    Edraw.AI

    Edraw.AI

    Edraw.AI

    Edraw AI is a web-based visual collaboration platform that empowers teams to generate, edit, analyze, and share professional diagrams, charts, and presentations in seconds using AI-driven tools and hundreds of built-in templates. With support for flowcharts, mind maps, org charts, Gantt charts, whiteboards, UML, and engineering diagrams, as well as free-form drawing and image generation, users simply choose a template, invoke AI to draft or enhance content, collaborate in real time on a shared canvas, and export to multiple formats. The integrated AI workplace includes text-to-diagram and code-to-flowchart conversion, AI OCR, file analysis, and chat assistants, plus seamless AWS-secure hosting with GDPR-compliance and 256-bit SSL encryption. A library of 700+ professional templates and 26,000 symbols jump-starts projects, while personal template saving, customizable toolbars, and intuitive menus make the interface beginner-friendly.
    Starting Price: $2.99 per month
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    draw.io

    draw.io

    JGraph

    draw.io (also known as diagrams.net) is a powerful and flexible online tool for creating diagrams, flowcharts, and visual representations. It allows users to design a wide range of diagrams, from simple organizational charts to complex network architectures. The platform integrates seamlessly with popular cloud storage services such as Google Drive, OneDrive, and GitHub, providing easy access and collaboration capabilities. Draw.io prioritizes privacy and security, allowing users to store their diagrams locally or on the cloud, ensuring that data remains private and under the user's control.
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    DGM

    DGM

    DGM

    You can make any type of diagram easily with smart shapes, publish it on the web, and generate code with vision AI. You can save your diagrams on the cloud and access them anywhere. You can import and share shape libraries with the community. You can publish diagrams on the web and embed them within other sites. You can make shapes with hand-drawn style and font.
    Starting Price: Free
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    Bhava

    Bhava

    Bhava

    Bhava is an AI-powered diagram editor that lets you create and refine a wide array of technical and conceptual diagrams, like flowcharts, system architecture layouts, UML, ERDs, sequence diagrams, network maps, mind maps, org charts, hardware schematics, and more, in seconds from plain text or even hand-drawn sketches. You simply describe what you need or paste an image (like a whiteboard photo or screenshot), and the AI instantly generates a fully editable and styled diagram, complete with smart layouts, connectors, and automatically placed icons for AWS, GCP, Azure, Kubernetes, and other libraries. Bhava also supports seamless import of existing diagrams from tools like draw.io or Mermaid, preserving layers, groups, and styling, and lets you continue editing and export the final output to standard formats such as PNG or SVG. Bhava provides design elements, styles, layers, groups, fully editable, and an intuitive interface for ongoing refinements.
    Starting Price: $9.99 per month
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    Creately

    Creately

    Creately

    Creately is an AI-powered diagramming and visual collaboration platform used by teams and professionals worldwide. It is a pioneer in template-based AI diagram generation for advanced diagram types, saving users hours of manual effort. Map complex processes, flows, or entire organizations and create technical architecture documents instantly with thousands of smart templates. Real-time multi-user collaboration allows for seamless editing, brainstorming, and feedback within a shared workspace. On longer use, Creately becomes the central source of truth and functions as a Visual Database. You can add notes, attachments, link live data from external sources, and centralize all relevant project information into a single data-linked canvas. Scale your team’s innovation and clarity with Creately.
    Starting Price: $8/month/user
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    Diagrimo

    Diagrimo

    Tenorshare

    Diagrimo converts text into professional diagrams, flowcharts, timelines, mind maps, SWOT diagrams, and pyramid charts within seconds. Users can customize colors, text, backgrounds, and strokes, collaborate in real time via shareable links or email, and refine or translate content with the AI assistant. Designed for creators, educators, professionals, and teams, Diagrimo makes idea visualization fast, easy, and polished.
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    Fluig

    Fluig

    Fluig

    Fluig AI is a cutting-edge platform that transforms documents, images, and web pages into clear, professional diagrams within seconds. Leveraging native artificial intelligence, Fluig AI enables users to convert various file types, such as PDFs, PowerPoint presentations, Word documents, text files, and images, into formats like mind maps, flowcharts, kanban boards, timelines, and tables with a single click. It supports effortless switching between different diagram formats using simple, natural language commands, facilitating seamless transitions from one visualization to another. Fluig AI also offers real-time collaboration features, including online comments, sticky notes, and an infinite canvas, allowing teams to share, discuss, and develop ideas collectively across devices. Designed to enhance productivity across various scenarios and roles, such as knowledge learning, business management, human resources, project management, marketing, law, finance, and research.
    Starting Price: $19 per month
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    Napkin AI

    Napkin AI

    Napkin AI

    Napkin turns your text into visuals so sharing your ideas is quick and effective. Forget prompting, Napkin works directly from your text. Napkin generates the most relevant visuals based on your text, then you pick the one that best expresses what you have in mind. Napkin visuals are fully editable, so you can adjust content and style to maximize their impact. Add or swap icons from our extensive database. Emphasize style, they’re smart & versatile. Dynamic connectors that can connect anything. Colors that always look good in light or dark mode. Visuals created in Napkin can be used anywhere. Captivate your audience with auto-generated infographics, diagrams, flowcharts, and more. Napkin helps you transform your existing text content into visuals like diagrams, charts, scenes, and images. Think of it as having a personal visual expert right at your fingertips, ready to bring your ideas to life.
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    Zapier Canvas
    Create a visual overview and diagram your team's most important processes so you can more easily understand and improve your business workflows. Onboard teammates, collaborate cross-functionally and ensure stakeholders have the right visibility into the flows that power your work. Build out critical processes with your team, then identify opportunities to automate or streamline your workflows with AI-powered suggestions. Plan, build, and visualize workflows with your teammates live or asynchronously. Add notes and context so your team can iterate while maintaining access control to stop accidental edits. Get a holistic view of how your workflows, apps, and teammates fit together. Share your diagrams and provide a view into the apps and automations that power your business—all from one place.
    Starting Price: $19 .99 per month
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    Sketch2scheme

    Sketch2scheme

    Sketch2scheme

    Sketch2scheme allows users to easily convert hand-drawn flowcharts and diagrams into digital formats. This tool uses AI to recognize nodes, connections, and text, automatically arranging and aligning elements. Users can export their work to various formats such as PNG, SVG, and PDF, and edit results using draw.io or Mermaid code. It saves time by eliminating the need to start from scratch when moving from paper to digital.
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    AIFlowchart

    AIFlowchart

    AIFlowchart

    This application will generate unique diagrams. If you don't like the generated diagram recreate it again, and then it will generate a new diagram. This tool will help you to generate diagrams with explanations. This means tools will explain each step of the diagram. Many themes are available. One customizable theme is also available. which means you can change the diagrams' colors. Our AI flowchart tool generates unique diagrams every time you use it, providing you with a wide range of creative options. Create flowcharts, graph diagrams, sequence diagrams, and pie charts effortlessly, all from a single tool. Generate diagrams from various sources, including text data, PDF files, or even blog content. We empower you to explore different visual representations until you find the perfect fit for your needs.
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    ChartGen

    ChartGen

    Ada.im

    ChartGen AI is an AI-powered chart creation platform designed to transform raw data into professional, insightful visualizations within seconds. The platform allows users to upload CSV or Excel files or connect live data sources and generate charts using simple natural language descriptions. ChartGen AI supports a wide range of chart types, including bar charts, line charts, pie charts, scatter plots, heatmaps, funnels, and waterfalls. With real-time data synchronization, charts automatically update as underlying data changes. ChartGen AI enables easy exporting of visuals in PNG, SVG, and PDF formats for use in reports, presentations, and dashboards. Enterprise-grade security with SOC 2 and GDPR compliance ensures that business data remains protected. Used by thousands of professionals worldwide, ChartGen AI streamlines data visualization for faster and clearer decision-making.
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    ChartAI

    ChartAI

    ChartAI

    ChartAI is the first AI-driven diagramming application that helps professionals make diagrams and charts in 2 seconds with AI. Simply input your diagram requirements, and let ChartAI do the rest. Within minutes, you'll have professional-looking diagrams or charts that are ready to use. Rapidly generates diagrams, allowing users to focus on analysis and presentation. An intuitive interface makes it easy for both novices and experts to use. Creates visually appealing diagrams suitable for various business contexts. Supports various diagram styles, including flowcharts, organizational charts, and data visualizations. Allows users to generate synthetic datasets for testing and development purposes. Users can sign in with their Google account, making it easy to access and manage their ChartAI account and data.
    Starting Price: Free
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    yEd

    yEd

    yWorks

    yEd makes diagram creation easy and fun with its powerful features and intuitive user interface. yEd is a powerful desktop application that can be used to quickly and effectively generate high-quality diagrams. Create diagrams manually, or import your external data for analysis. Our automatic layout algorithms arrange even large data sets with just the press of a button. yEd comes with an extensive palette of beautiful, ready-to-use elements to get you started with your first diagrams. yEd provides powerful functionality for the layout of complex data sets. Its highly sophisticated mathematical layout algorithms can be used either to automatically arrange diagram elements, or to support you when undertaking a manual layout.
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    e!Sankey

    e!Sankey

    ifu Hamburg

    The most popular software for creating Sankey diagrams. Visualize the material & energy flows or value streams in your company or along the supply chain. Share these appealing diagrams in reports or presentations. Data visualization is a great way to simplify and understand complex relationships in process systems. e!Sankey is the perfect tool for that! Sankey diagrams go beyond simple flow charts. Their arrows have a width proportional to the flow quantity and draw attention to the largest flows in the system. Design your Sankey diagrams in the net editor: Just draw arrows and processes to build your diagrams easily. Benefit from a clear entry and unit management, including unit conversions. Use e!Sankey to calculate flow quantities. This makes the generation of Sankey diagrams even more comfortable.
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    Eraser

    Eraser

    Eraser

    Eraser is a docs and diagrams platform for engineering teams. Eraser enables developers to create docs and diagrams at the speed of thought via a minimal UI, keyboard-driven flows, markdown, and diagram-as-code. Docs and diagrams can be saved on the Eraser web app as well as in your GitHub repository.
    Starting Price: $10 per user per month
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    Astah Professional

    Astah Professional

    Change Vision, Inc.

    Astah Professional is an all-in-one modeling tool for software and system design, developed by Change Vision, Inc. It supports UML 2.x, ER diagrams, data flow diagrams (DFD), flowcharts, requirement diagrams, CRUD, and mind maps in a single tool. Unlike drawing tools, Astah creates models: a change to a model element is reflected in every diagram that uses it, so your diagrams stay consistent. AI features include AI Chat Copilot and AI-assisted code reverse engineering, which use your own API key for OpenAI, Azure OpenAI, Claude, Gemini, or an OpenAI-compatible service. A local MCP server lets external AI agents work with your Astah models. Conventional reverse engineering of Java, C#, and C++ code is also included. Astah Professional is a desktop application for Windows, macOS, and Linux, with a bundled Java runtime, so no separate Java installation is required. A 20-day free trial is available. Latest version: 12.0 (released July 15, 2026).
    Starting Price: $11.99 per month
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    Figma

    Figma

    Figma

    Where teams design together. Figma helps teams create, test, and ship better designs from start to finish. Fast and powerful, just like your work. Packed with design features you already love plus unique inventions like the Arc tool and Vector Networks, Figma helps you keep the ideas flowing. No need to stop to install, save, or export. It’s what any good cloud software should be. Bring your ideas to life faster in animated prototypes that feel like the real thing. Get insights from users and test concepts earlier and more often. Share a link to your design files or prototypes, and get feedback in context. Or, jump into the same file with your teammates—no matter where y’all are in the world—and co-edit live. Create a scalable design system that’s accessible for your organization and easy for you to manage. When all designers are speaking the same language, everyone’s more empowered to do their best work.
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    Starting Price: $12.00/month/user
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    Ilograph

    Ilograph

    Ilograph

    Ilograph is an interactive diagramming platform designed to help engineers and technical teams document, explain, and explore complex systems through dynamic architecture diagrams. Instead of relying on traditional static diagrams, Ilograph allows users to create interactive, zoomable diagrams that reveal different levels of detail and perspectives within a system. Authors define system resources and the relationships between them using a lightweight model-based approach often referred to as “diagrams-as-code,” which adds structure, consistency, and reusability to documentation. It automatically generates layouts and provides features such as autocomplete, built-in icon libraries, and customizable styles that simplify the process of creating and maintaining diagrams as systems evolve. Each diagram can include multiple perspectives that show how components interact in different contexts, such as data flows, infrastructure architecture, or business processes.
    Starting Price: $11.99 per month
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    Astah UML

    Astah UML

    Change Vision, Inc.

    Astah UML is a UML 2.x diagramming tool for software design, developed by Change Vision, Inc. It covers the core UML diagrams, including class, use case, sequence, activity, state machine, component, and deployment diagrams, plus mind maps. Astah creates models rather than drawings: when you change a model element, every diagram that uses it is updated, so your design stays consistent. AI features include AI Chat Copilot and AI-assisted code reverse engineering, which use your own API key for OpenAI, Azure OpenAI, Claude, Gemini, or an OpenAI-compatible service. A local MCP server lets external AI agents work with your Astah models. Conventional reverse engineering of Java, C#, and C++ code is also included. Astah UML runs on Windows, macOS, and Linux with a bundled Java runtime. A free license is available for students, and a 20-day free trial is available. Latest version: 12.0 (released July 15, 2026).
    Starting Price: $6.99 per month
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    PlantUML

    PlantUML

    PlantUML

    PlantUML is a powerful and flexible open source tool that allows users to create UML diagrams using simple text descriptions. It supports various diagram types, including sequence, use case, class, component, state, and activity diagrams. PlantUML also extends beyond traditional UML with support for other diagram types such as Gantt charts, mind maps, and entity-relationship diagrams. The platform uses a straightforward syntax to generate high-quality diagrams, making it easy for developers, system architects, and project managers to visualize complex systems and processes. Users can export diagrams in multiple formats like PNG, SVG, LaTeX, and ASCII art. PlantUML is compatible with a range of tools and integrates seamlessly into documentation workflows, enhancing productivity for teams and individuals.
    Starting Price: Free
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    Xmind

    Xmind

    Xmind

    Xmind is a leading mind-mapping software designed to help users organize their thoughts, brainstorm ideas, and enhance productivity. It offers diverse diagram structures, from mind maps to matrix tables. With an intuitive interface and powerful features, Xmind is ideal for applications like project planning, meeting notes, and idea management. Whether you are a student, a professional, or part of a small team, Xmind simplifies visual thinking and information organization. Core Features: - Diverse diagram structures, including Mind Map, Org Chart, Timeline, Fishbone, Matrix, and more - Advanced diagramming capabilities, customizable styles and themes - Data integration and management - Extensive export and import capabilities - AI-powered brainstorming and mind mapping - Real-time collaboration and cloud storage
    Starting Price: $19.99 / 3 months
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    Software Ideas Modeler
    Software Ideas Modeler is an essential tool in software engineering. It is a feature-rich CASE tool that can help you with software design using various diagram notations and modeling tools. Try our UML modeler, ERD designer, flowchart maker, wireframing tools, or BPMN editor for free. The diagramming modules are optimized for particular tasks in the specific domain. Tools for UML diagrams, Layer diagrams, Flowcharts, and Data Flow Diagrams and others help you design your software or its crucial parts properly. Documentation and glossary modules in our CASE tool allow you to communicate your design effectively. Professionally process the user requirements using Advanced Use Case analysis or User Stories depending on your preference. Turn code to diagrams using the code analytic tools for many popular programming languages. Generate source code scaffold and code parts using source code generators, also using custom code templates.
    Starting Price: $68 one-time payment
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    Arialine

    Arialine

    Arialine

    Arialine is an AI diagram generator and Mermaid diagram editor built for engineering and product teams working in Slack. Create flowcharts, architecture diagrams, sequence diagrams, UML, ERD, C4, swimlanes and other technical diagrams from plain language, Slack discussions, or Mermaid code. Paste valid Mermaid with /arialine and it renders without AI or usage limits. Diagrams stay editable in their Slack thread: reply to make changes, with every accepted edit saved as a version linked to the source message. Arialine includes history, undo, rewind, branching, decision context, PNG/SVG/PDF/.mmd exports, interactive HTML diagrams, Markdown-to-Slack-Canvas rendering, Mermaid 12 + ZenUML support, and an MCP server for Slack AI. It works on every Slack plan, including Free.
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    DiagramDeck

    DiagramDeck

    DiagramDeck

    DiagramDeck is a browser-based collaborative diagramming tool that helps teams create and manage architecture diagrams, flowcharts, and workflows. It offers an intuitive drag-and-drop interface, real-time collaboration, and support for draw.io files. Teams can work together on diagrams, leave comments, and keep everything up to date without version conflicts. Diagrams can be easily exported in multiple formats for sharing and documentation. DiagramDeck is a simple and effective alternative to tools like Lucidchart, Visio, and draw.io.
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    Gliffy

    Gliffy

    Perforce

    Gliffy is a versatile, cloud-based diagramming tool that enables users to create a wide range of visuals, including UML diagrams, flowcharts, wireframes, and more. Its intuitive drag-and-drop interface allows for seamless diagram creation directly within popular platforms like Confluence and Jira, enhancing collaboration and streamlining workflows. Gliffy supports real-time collaboration, enabling multiple users to edit and comment on diagrams simultaneously, which fosters efficient teamwork and ensures that all stakeholders are aligned. The platform offers a comprehensive library of shapes and templates, catering to various industries and use cases, from software engineering to business process modeling. Users can export diagrams in multiple formats, such as PDF, JPEG, PNG, and SVG, facilitating easy sharing and integration into other documents or presentations. Gliffy is SOC 2 Type II compliant.
    Starting Price: $7.99 per month
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    GoJS

    GoJS

    Northwoods Software

    GoJS is a JavaScript and TypeScript library for building interactive diagrams and graphs. From simple flowcharts and org charts to highly-specific industrial diagrams, SCADA and BPMN diagrams, medical diagrams such as genograms and outbreak modeling diagrams, and more. GoJS makes constructing graphs of complex nodes, links, and groups easy with customizable templates and layouts. GoJS offers advanced features for user interactivity such as drag-and-drop, copy-and-paste, in-place text editing, tooltips, context menus, automatic layouts, templates, data binding and models, transactional state and undo management, palettes, overviews, event handlers, commands, extensible tools for custom operations, and customizable animations. We maintain hundreds of sample diagrams, detailing different examples of interactivity, templates, and user logic for you to start from. We offer free developer-to-developer support during evaluation.
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    AVEVA Diagrams
    AVEVA Diagrams is a fast, efficient and effective tool for creating and managing your Process Flow Diagrams (PFDs), Piping and Instrumentation Diagrams (P&IDs), Heating, Ventilation, and Air Conditioning (HVAC) and similar drawings with the assurance that they remain fully integrated with the project database. AVEVA Diagrams is a fast, efficient and effective tool for creating and managing your Process Flow Diagrams (PFDs), Piping and Instrumentation Diagrams (P&IDs), Heating, Ventilation and Air Conditioning (HVAC), and similar drawings with the assurance that they remain fully integrated with the project database. Using AVEVA’s proprietary database technology; as the diagram is designed, data is logged and stored in a schematic model database. This allows design information to be managed effectively and accessed easily within a secure and shared data-centric environment in the cloud through AVEVA Connect or deployed on-premises as part of our full IE&D solutions.
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    Vexlio

    Vexlio

    Vexlio

    Draw faster with powerful auto-snap and intelligent tools. Export to high-quality PDF and SVG. No subscription. No monthly payments. Auto-snap and align objects for easy precision. Natively embed LaTeX equations directly in your diagrams. Smart tools make you more productive by making common tasks easy. Powerful Bezier curve and boolean path operations for complex illustrations. With Vexlio, you can easily create high-quality PDF diagrams by exporting your drawings to the PDF format. Just like SVG, with PDFs your diagrams and drawings will be crisp and smooth at any scale. With the same PDF file, you can have clear diagrams embedded small enough to fit in the margin of a paper, or large enough for a poster centerpiece. Vexlio’s powerful and flexible export system will automatically crop the PDF size to the exact size of your drawing, with no extra work. You can even selectively export only the objects that are currently selected in the drawing.
    Starting Price: $25.99 one-time payment
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    diagram.now
    diagram.now is a diagram editor for Confluence Cloud, plus a free editor that runs in any browser. It is a Forge-native Atlassian app, so diagrams are created and stored inside Confluence with no separate server to run and no extra account to create. Diagram types include flowcharts, UML, BPMN, ERD, mind maps, cloud architecture diagrams and wireframes. Existing work can be imported from Visio, Lucidchart, Gliffy, Mermaid and SQL schemas, which lets teams move off another tool without redrawing. The app is free for up to 10 users, and the browser editor is free to use without Confluence. Disclosure: this listing was submitted by Votazz, the vendor of diagram.now.
    Starting Price: Free for up to 10 users
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    Lekh Diagram
    Create beautiful diagrams and UI wireframes with Lekh Diagram, a sketch recognition diagramming app, on iOS and Android Devices.
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    TeamFlow

    TeamFlow

    TeamFlow

    Create clear and consistent process diagrams. Make it easy for everyone in your organization to understand what's going on. Build a Process Repository for your organization. This gives your team a single source of truth for all your process documentation. With TeamFlow® your diagram is more than just a picture. Each diagram is a fully-featured graph data model of your process. TeamFlow® uses a universal data model giving you more than just a picture. Jump right in and create your process diagram in seconds. Drag and drop tasks, meetings, decisions and more to bring your process to life. Easily visualize your process with clean shapes and colors so that everyone in your organization can understand your process flows. TeamFlow® uses a simple and easy-to-understand design language so that your process diagrams have a consistent look each and every time. TeamFlow® is committed to privacy and security at every level.
    Starting Price: $10 per month
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    Sankey Flow Show

    Sankey Flow Show

    THORTEC Software

    Sankey diagrams as well as classic flow diagrams gain a new quality with Sankey Flow Show. - Find the right line strength for all connection lines of your classic flow diagram with a single slider. Or use the separate data layer to represent the energy flow, the mass flow, or the flow of further streaming quantities in Sankey diagrams. Sankey Flow Show reduces your effort! Drawing attractive diagrams with Sankey Flow Show is straight forward. And once a diagram is drawn, you can enter other values in the separate data layer without the need for manual graphical adjustments. Discover how easy and fast you can draw interesting diagrams. No installation, never miss an update... Sankey Flow Show is a modern web application running in your browser. Share your work with others, export your diagrams to standard formats (svg, jpg, png, pdf, etc.), view and restore previous revisions, collaborate live and stay ahead of your competitors.
    Starting Price: $3.99 one-time payment
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    Diagram AI

    Diagram AI

    Diagram AI

    Diagram AI is a browser-based diagramming application that turns natural-language prompts into editable diagrams. Users can create flowcharts, sequence diagrams, cloud architecture maps, class diagrams and runbooks, then revise labels, hierarchy and layout in an interactive canvas or prompt the AI to restructure a draft. The editor accepts PDFs, images and text as context, supports automatic layout adjustments, and keeps version history that can be restored. Diagrams can be exported as XML, SVG or PNG for documentation and presentations. The free plan includes one use per day and excludes file uploads. Pro and Plus plans add monthly credits and contextual file uploads, with higher credit allowances on Plus. The service is intended for product, engineering and operations teams documenting workflows, systems and architecture.
    Starting Price: $9.90/month
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    Microsoft Visio
    Work visually. Diagramming made simple. Easily and intuitively draw flowcharts, diagrams, org charts, floor plans, engineering designs, and more with Visio. Use modern shapes and templates with the familiar Office experience. Collaborate on Visio flowcharts to include insights from all stakeholders. With Office 365*, your team can work on a diagram at the same time. Connect your flowcharts and diagrams to real-time data. Use applied shape formatting to automatically update flowcharts when the underlying data changes, either in Visio or through Office 365*. Work together on diagrams from a web browser, almost anywhere. Draw a flowchart, map an IT network, build an organizational chart, or document a business process. Create professional diagrams effortlessly, collaborate more efficiently, connect to real-time data, and automate workflows.
    Starting Price: $5 per month
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    QuickDBD

    QuickDBD

    Dovetail Technologies

    Draw diagrams quickly by typing. Draw schemas without leaving the keyboard. Only give the details you want. Capture ideas quickly. Don’t let GUI tools interrupt your flow. Pretty diagrams make your documents look good and help you communicate clearly. Share your diagrams online.
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    EdrawMax

    EdrawMax

    Wondershare

    Creating flow chart, mind map, org charts, network diagrams and floor plans with rich gallery of examples and templates. Edraw Max is an extremely powerful all-in-one diagramming tool that can serve all of your purposes. Whether you need to draw flowcharts, fishbone diagrams, UML diagrams or design floor plans, office layouts, you can find what you want in Edraw Max. Importantly, it is quite affordable. Templates let you go fast. Get inspired and start your design quickly by choosing from thousands of our professionally designed templates. Excellent file compatibility allows you to import Visio files or export your drawings to a variety of familiar file formats, such as Visio, PDF, Word, PPT, JPEG, Html, etc. Edraw Max allows you to create more than 280 sorts of diagrams effortlessly, from the technical diagrams to the attractive infographics, which leaves Visio far behind.
    Starting Price: $99 per user per year
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    Plectica

    Plectica

    Plectica

    Diagram your thinking in real time, together. For strategists, educators, technologists, designers, policy makers, and thinkers of all sorts! Based on years of applied research on how we think and learn, Plectica works the way the human brain does: by visually organizing parts that can be combined and connected to each other to form a more complete picture. Whether you're diagramming an internal workflow, brainstorming new opportunities, or onboarding new team members, our mission is to help you map and share better ideas. Plectics is a broad transdisciplinary science which explores the hallmark of complex systems: simple rules underlie and unfold into the complexity you wrestle with everyday. Changing the way people visualize & connect information. Plectica helps individuals and teams organize, explain, and collaborate on complex information. Plectica helps make things crystal clear whether you’re diagramming an internal system, brainstorming new products, or onboarding new members.
    Starting Price: $3 per month
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    DrawExpress Diagram Lite
    DrawExpress is a fast gesture-recognition diagram application. With DrawExpress, you can draw diagrams and flowcharts in a simple and intuitive way. It's just as easy as using a pen and paper. Whether you work in software design, finance, business, law, or need it for school, DrawExpress is the ultimate solution to your diagramming needs.
    Starting Price: Free