Alternatives to Astah Professional
Compare Astah Professional alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to Astah Professional in 2026. Compare features, ratings, user reviews, pricing, and more from Astah Professional competitors and alternatives in order to make an informed decision for your business.
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1
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 -
2
Minitab Workspace
Minitab
Searching for simple solutions to achieve the greatest impact with your work and provide business value? Minitab Workspace enables you to move work forward with powerful visual tools, process maps, brainstorming diagrams and forms in one intuitive interface right at your fingertips. Our tools help form processes and identify opportunities, ultimately making problems easier to solve. Build flowcharts with ease to help understand, see and communicate all the activities in a process with the added ability to customize the level of detail necessary. Map out and identify every relevant element for a holistic view of your processes or projects, regardless if they are simple or complex. Visualize the flow of deliverables and information through your organization, department, or team and showcase the value it creates for your customers and stakeholders. -
3
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 -
4
MyDraw
Nevron Software
MyDraw is one of the most advanced diagramming and vector graphics drawing tools available today. MyDraw is an easy, affordable yet powerful tool that can help you create a large number of diagrams including flowcharts, organizational charts, mind maps, infographics, network diagrams, floor plans, family tree diagrams, business model diagrams, flyers, newsletters, and many more. MyDraw is cross-platform and works on both Windows and macOS. It also features class-leading Microsoft Visio® compatibility that allows you to both import and export files from different Visio formats. The software is packed with advanced features such as advanced drawing tools, unrivaled text and table formatting options, automatic layouts, import and export to various image formats (PDF, SVG, JPEG, BMP, etc.), smart shapes and connectors, and others. The software also includes a vast number of ready-made templates and thousands of shapes that help you get inspired and be more productive.Starting Price: $69.00/one-time/user -
5
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.Starting Price: $7.95/month/user -
6
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.Starting Price: $8 per month -
7
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 -
8
Astah SysML
Change Vision, Inc.
Astah SysML is a SysML v1 modeling tool for systems engineering and model-based systems engineering (MBSE), developed by Change Vision, Inc. It supports block definition, internal block, requirement, parametric, use case, state machine, activity, and sequence diagrams, plus requirement tables and mind maps. Designs are stored as models, so a change to a block or requirement is reflected in every diagram that uses it. Profiles, XMI import/export, and data exchange with Cameo Systems Modeler are supported. AI Chat Copilot works with your own API key for OpenAI, Azure OpenAI, Claude, Gemini, or an OpenAI-compatible service, and a local MCP server lets external AI agents work with your models. Astah SysML runs on Windows and macOS. Simulation is not included. A 20-day free trial is available. For SysML v2, Change Vision offers separate products that run as Visual Studio Code extensions: SysMLv2 Editor and SysMLv2 Modeler (early access).Starting Price: $140/year -
9
Flowdia
BEZAPPS
The app is designed with ease of use in mind. You can quickly connect flowchart shapes by simply selecting the start and end connection points and quickly add new lanes to a swimlane diagram or new sub-topics to a mind map diagram by using "+" button from the selected swimlane or mind map shape menu. The mind map sub-topics are automatically positioned on the page but can be easily moved as required. You can quickly select and change BPMN activity, event and gateway types by using the special shape selector available to all BPMN shapes. The flowchart shapes in this tool are not images can be re-sized without loosing quality. You can customize the look of the shapes by applying background color and also change the font color and size of the text.Starting Price: Free -
10
SysMLv2 Editor
Change Vision, Inc.
SysMLv2 Editor is a Visual Studio Code extension from Change Vision, Inc. for writing SysML v2 models in the standard textual notation. Models are saved as plain-text .sysml files in your VS Code workspace. Features include syntax highlighting, real-time detection of syntax and spelling errors, jump to definition and reference navigation, an outline view for a structural overview, and automatic diagram generation from the text. SysMLv2 Editor runs on Windows, macOS, and Linux. It is included at no extra cost with a valid Astah SysML, Astah System Safety, or Astah Faculty Site License, and it stays available while that license is valid. A 20-day free trial is available. It is not data-compatible with Astah products, so it does not open SysML v1 models created in Astah SysML.Starting Price: Included with Astah SysML ($14 -
11
Microsoft Visio
Microsoft
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 -
12
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 -
13
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 -
14
DrawExpress Diagram Lite
DrawExpress
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 -
15
ClickCharts
NCH Software
ClickCharts lets you design flowcharts and diagrams easily with this software. Quickly create strong visuals of an organization, process, mind map, UML diagram and more. Map out your value streams and data flow. Find bottlenecks in the process and ways to optimize productivity. Jump start the process with template options or start fresh with your choice of shapes, symbols, line connectors and more. Export to jpg, gif, png and more.Starting Price: $39.99/one-time -
16
Software Ideas Modeler
Software Ideas
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 -
17
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.Starting Price: 3,495 -
18
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. -
19
ThinkComposer
ThinkComposer
As a professional, student or creative person, you probably work analyzing, creating and exposing entities with complex attributes, relationships and dependencies; struggling to make effective solutions on time, needing to explain and convince an audience; and facing diverse perspectives on different problems. With ThinkComposer you can apply the power of comprehensive visual documents to get the job done and work better. Your flowcharts, concept maps, models and other kind of diagrams can be much more than just embedded images in text-docs or presentations, they can represent the insights and knowledge of your very specialized domain or environment. Ideas' symbol can include title+subtitle, pictogram, markers, plus hanging details.Starting Price: Free -
20
Cacoo
Nulab
Cacoo by Nulab is an online diagram software trusted by more than 2 million users. Cacoo lets modern teams create wireframes, flowcharts, organization charts, mind maps, and more, enhancing collaboration and productivity. The platform also offers integrations with leading apps, including Dropbox, Google Drive, Confluence, and more.Starting Price: $6/month/user -
21
JDElite Flowchart Builder
JDElite Consulting
JDElite Flowchart Builder is an extraordinarily easy to use online tool to create from simple to most complex professional flowcharts with unique readability. It supports the design of wide range of common flowcharts, diagrams of entity-relationship models and business processing design flowcharts. No coding is required, the user creates the flowchart using the mouse and keyboard interactively with the built-in inline help. The generated output is in JSON format. Use advanced design features for creating flowcharts that require no coding and are interactive. Import and edit or export third-party flowcharts seamlessly with the plugin architecture tool. Customize the already built-in demo flowcharts with just a click, or design your own. Create complex business processing flowcharts, diagrams of entity-relationship models, flowcharts with different applications, and more using our modern software solution.Starting Price: $95 one-time payment -
22
Merit Modeler
Ideamerit s.r.o.
Merit Modeler is a free desktop application for creating professional diagrams — including Flowcharts, Use Case diagrams, Data Flow diagrams and many other modeling notations. Designed for analysts, developers, students and system designers, Merit Modeler helps you visualize processes, document software systems and communicate ideas clearly. Because it runs locally on your computer, it is fast, secure and fully available offline - no subscriptions, no online accounts.Starting Price: $0 -
23
Zapier Canvas
Zapier
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 -
24
GitMind
GitMind
GitMind gives thought to both aesthetics and kinematics, continually improving input and output, thinking outside of the box with mind maps, flowcharts, organizational charts, UML diagrams, and swimlanes to blossom forth in an orderly, smooth, silky, and beautiful way. GitMind visualizes hundreds of millions of isolated knowledge points, inspiration, and ideas, allowing them to connect, flow, co-create, and iterate feedback to train the mind. The free flow of creativity promotes the continuous evolution of individual and organizational consciousness and makes ideas more valuable. Capture inspiration, stimulate creativity, and allow ideas to grow and flow freely. What you remember, what you see, what you think, and what you understand can go to infinity and beyond, and appear vividly on canvas. GitMind helps to complete the connection, flow, and co-creation of ideas, and accumulate & refine valuable ideas, empowering all to create their own metaverse of ideas.Starting Price: Free -
25
Modeldraw
Atlantean IT
Modeldraw is a comprehensive diagramming solution that's completely free for teams, offering a full suite of tools for professional communication. Create specialized diagrams for software development, business planning, and Agile workflows, including UML diagrams, system architecture maps, flowcharts, mind maps, and user story maps. With powerful real-time collaboration and an intuitive interface, Modeldraw allows unlimited team members to work together with no credit card required.Starting Price: $0 / Free for Teams -
26
VisualDesigner
Tien Thinh Vu
The application helps you make diagrams, UI mockup, flow charts, UML, and floor plan quickly. With VisualDesigner users could drag the right mouse on a current shape to create a new attached object with the line, double-click on the canvas to create a new text box item, switch the current select object to another shape type, and change the selected items display order, auto Align with another object when resize or move, and select items then save them to favorites list to reuse later.Starting Price: Free -
27
Dia
The Dia Developers
Dia is an open-source diagramming application that allows users to create a wide range of structured diagrams such as flowcharts, network layouts, and UML designs. Compatible with Windows, Linux, and Mac OS X, Dia offers downloadable shape libraries and scripting options. It is licensed under GPLv2 and includes resources like documentation, bug trackers, and community support. -
28
OmniGraffle
The Omni Group
With the power to diagram, rapid-prototype, and design, OmniGraffle was made for professionals who need to organize or communicate visually—beautifully. OmniGraffle is purpose-built for explaining complicated ideas in a beautiful, precise way. Quickly create beautiful wireframes to explore ideas accurately. Powerful tools for creating professional-grade vector graphics. Intelligent grouping, snapping, and alignment tools allow you to move quickly, without sacrificing accuracy or quality. Organize, communicate, and share your ideas with stunning visuals. Mac, iPad, and iPhone can all share the same stencils, projects, and JavaScript automation, allowing you to quickly create or edit a diagram from anywhere.Starting Price: $12.49 per month -
29
DrakonHub
DRAKON Labs
Flowcharts in DrakonHub follow the ergonomic standards from the aerospace industry. These standards rid diagrams of the visual noise. Show the happy path with the skewer. Break up the diagram into its logical parts with the silhouette. Show implicit connections with the common fate. Add order to your mind maps. Make the structure of the diagram apparent at first glance. A well-visible structure will help the reader see how each item relates to its parent, siblings, and children. Sketch the program before coding. Update the sketch during development. This sketch will give you the clarity that will accelerate your work. In half a year, the sketch will help you recall all the subtleties and complications of the program. Diagrams document the knowledge about the project in a concise way. Keep the ownership of this knowledge, don't let the developers bury it in the source code. -
30
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 -
31
Zen Flowchart
Zen Flowchart
Zen Flowchart is the simplest online software for creating flowcharts, mind maps, org charts, wireframes, online whiteboards, and more. With a minimal and intuitive user interface, creating professional flowcharts and diagrams with our online flowchart maker is easy and enjoyable. Create a new node with a single click or link separate nodes easily with smart connectors. To make flowcharts more accessible, we removed all the complicated and unnecessary features. The result is a simple but fully capable interface design. Download your document as a PNG file or publish a live document that automatically updates any changes you make.Starting Price: $6.30 per month -
32
Astah System Safety
Change Vision, Inc.
Astah System Safety is a model-based safety analysis tool for safety-critical systems, developed by Change Vision, Inc. It combines SysML modeling with STAMP/STPA hazard analysis, GSN/D-Case assurance cases, ASAM SCDL safety concepts, and UAF in one tool. Safety analyses are linked to the system model, so control structures, hazards, and safety arguments stay traceable to requirements and architecture. Safety engineers in automotive, aerospace, railway, and embedded systems use it to build safety cases for standards such as ISO 26262. AI Chat Copilot and a local MCP server require your own API key from a supported AI service (OpenAI, Claude, Gemini, or an OpenAI-compatible endpoint). SysML models can be exchanged with Cameo Systems Modeler through XMI import and export. Runs on Windows and macOS. FTA, FMEA, and simulation are not included. A 40-day free trial is available.Starting Price: $550 per year -
33
Lekh Diagram
Lekh App
Create beautiful diagrams and UI wireframes with Lekh Diagram, a sketch recognition diagramming app, on iOS and Android Devices. -
34
DiagramGPT
Eraser
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 -
35
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 storageStarting Price: $19.99 / 3 months -
36
ConceptDraw MINDMAP
Computer Systems Odessa
It is a comprehensive tool for organizing ideas and data in a flexible way. Our app provides numerous features like Brainstorm, Presentation, Hypernote, and Graphics in order to create OrgCharts, Data Flowcharts, Road Maps, Kanban Boards, Hierarchy Trees, Business Process Diagrams, Scrum Workflows, Project Plans. It offers the ability to exchange data with Microsoft Project, Microsoft Office, ConceptDraw PROJECT, MindManager, XMind, and FreeMind.Starting Price: $199.00/one-time/user -
37
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. -
38
Napkin
Napkin
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.Starting Price: Free -
39
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 -
40
Google Drawings
Google
Create shapes and diagrams. Add some color to your documents, presentations, and websites with easy to create charts and diagrams. Get it done together. Build charts, layout diagrams, create flow charts, and then easily add them to other documents or embed them on a website. Care to comment? Comment on a shape or text box to give context to your discussion. Send an email notification by adding someone to a comment .Access anywhere, anytime. All your drawings are automatically saved and stored in Google Drive. Access them wherever you go, from any device. -
41
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 -
42
ArgoUML
ArgoUML
ArgoUML is a free, open source UML modeling tool supporting all standard UML 1.4 diagrams. It is available on any Java platform and is translated into ten languages. ArgoUML allows users to create and edit various UML diagrams, including class, state, use case, activity, collaboration, deployment, and sequence diagrams. The software features a user-friendly interface divided into four panels: a project hierarchy, an editor for the selected diagram, a to-do list, and a detail panel for object selection. ArgoUML is distributed under the Eclipse Public License and is widely used worldwide, having been downloaded over 80,000 times. The platform offers user manuals, quick guides, and resources for both users and developers, and it encourages community involvement and contributions. ArgoUML’s open-source nature allows for bug reporting, feature requests, and active participation in its ongoing development.Starting Price: Free -
43
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. -
44
Cloudairy
Cloudairy
Cloudairy is a modern collaboration platform that simplifies the way teams visualize, share, and manage information. Designed for distributed teams and dynamic workflows, Cloudairy offers seamless cloud-based collaboration with real-time editing, version control, and secure sharing capabilities. Whether you're building flowcharts, documents, or templates, Cloudairy brings clarity to complexity and keeps your workspaces organized and actionable. Trusted by agile teams and professionals across industries, Cloudairy accelerates productivity through intuitive tools and deep integration with your favorite cloud services. From brainstorming to delivery, we help you work faster, communicate clearly, and scale effortlessly. Start collaborating with Cloudairy today — where your ideas take flight.Starting Price: $8/month -
45
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. -
46
MindManager
Alludo
MindManager aims to bring clarity and structure to plans, projects, and processes. With it, the vendor says users can transform scattered ideas and information into dynamic visual mind maps, flowcharts, concept maps, matrices and other diagrams. They state users can also take control of their work, synthesize vast amounts of data, collaborate and communicate more effectively, and boost productivity to gain a competitive edge. MindManager is presented as a suite of intuitive visualization products that helps individuals and teams think more clearly, make better decisions, and get on the path to personal and organizational success.Starting Price: $169 / year -
47
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 -
48
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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DGRM.net
Boyko A. S.
DGRM is a free online flowchart editor designed for fast and simple diagram creation. It allows users to build flowcharts directly in their browser without installation or registration. The platform supports various diagram types, including business processes, mind maps, sequence diagrams, and database schemas. Its grid-based system ensures clean, well-aligned diagrams without manual adjustments. DGRM offers a minimal interface with no unnecessary buttons, making it easy for anyone to use. Users can share diagrams via links or export parts as images. Overall, DGRM provides a lightweight and efficient solution for creating structured visual diagrams.Starting Price: Free -
50
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
