Alternatives to Plantuml.com - Similar Sites & Competitors
Open-source tool that uses simple textual descriptions to draw beautiful UML diagrams.
Create UML diagrams from plain text with PlantUML. Quickly design, edit, and export various diagram types in formats like PNG, SVG, and LaTeX.
Draw UML diagrams from simple text
PlantUML lets you create professional UML diagrams just by typing simple text descriptions. Instead of dragging and dropping shapes, you simply write out how you want your diagram to look, and PlantUML instantly generates it for you. You can export your diagrams in multiple formats, such as PNG, SVG, EPS, and even LaTeX, making it easy to use them in documents or presentations.
The site supports a wide range of diagram types, including activity, sequence, use case, and mind maps. Whether you’re a developer, student, or anyone needing clear diagrams, PlantUML helps you save time and keep your workflow simple. You can also edit diagrams directly within popular formats like Markdown, Asciidoc, or Dokuwiki, making integration with your favorite tools seamless.
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Turn text and code into diagrams with Mermaid. Easily create flowcharts, charts, and more right from your browser. No design skills needed.
Create sequence diagrams from system models or Wireshark data. Visualize, model, and review complex protocols for networking and software design tasks.
Astah offers powerful diagramming and modeling tools to help individuals and teams visualize ideas, create UML, flowcharts, ER diagrams, and more.
Simulate and design electronic circuits online with an easy-to-use schematic editor and interactive learning tools. No downloads or installation needed.
XFig offers diagramming software with templates and examples to help you create clear, customizable diagrams easily.
Create customizable spiral diagrams easily for math, art, or teaching with this simple online tool—no downloads or signup needed.
Create sequence diagrams quickly and easily with this free online tool—no software download needed, just type your scenario and see your diagram instantly.
Create and share digital timing diagrams in your browser with WaveDrom—no software install needed. Perfect for engineers and students designing circuits.
Create, edit, and share diagrams using simple ASCII art right in your browser. Draw boxes, lines, and shapes easily—no downloads or sign-up needed.
Create flowcharts, org charts, and business diagrams easily with RFFlow on Windows, featuring a free trial to get started.
Create and display flowcharts in your browser using simple text-based definitions. Easily visualize processes or ideas without extra software.
Visualize regular expressions as easy-to-read diagrams to better understand and debug your regex patterns. Free, online, and simple to use.
Create, edit, and share diagrams for Confluence and Jira teams. Draw.io makes building flowcharts, mind maps, and more easy and collaborative for everyone.
Graphviz lets you create and visualize complex graphs and networks as diagrams. Open source tool for visualizing structural relationships in data.
Create flowcharts, org charts, floor plans, and over 280 types of diagrams online with EdrawMax—featuring templates and easy-to-use design tools.
Create, edit, and share diagrams online with AI-powered tools for visualizing processes, systems, and ideas. Collaborate easily with your team in real time.
Create, customize, and share mind maps online with MindMeister. Collaborate in real time, add images and notes, and organize ideas on any device.
Graphviz offers open source software for creating diagrams and visualizing complex graphs, making it easy to represent networks and relationships.
Gliffy helps you turn complex ideas into clear diagrams quickly, with AI-powered tools and real-time collaboration for teams and businesses.
Create interactive charts, maps, and tables easily with Datawrapper—no coding needed. Visualize your data and share it online or export for reports.
Excalidraw is an online collaborative whiteboard where you can sketch diagrams with a hand-drawn look, perfect for brainstorming and teamwork.
ProcessOn lets you create mind maps, flowcharts, and diagrams online with real-time collaboration and AI-powered tools. Includes a template community. (Chinese)
Popplet helps you easily create and share mind maps, diagrams, and visual notes for brainstorming, organizing ideas, or collaborating with others.
Overflow helps design teams create interactive user flow diagrams and engaging design presentations for better collaboration and feedback.
Visualize, edit, and analyze JSON, CSV, YAML, and XML data with interactive graphs and an easy-to-use online editor. Supports multiple data formats.
Create clear Drakon flowcharts and mind maps to organize ideas, visualize processes, and design algorithms easily with this intuitive diagram editor.
Kroki lets you create diagrams from text using a unified API, supporting many formats like PlantUML, Mermaid, GraphViz, and more for easy visualization.
DYNO Mapper lets you create interactive visual sitemaps, organize website content, and plan site structure for better clarity and user experience.
Design charts, infographics, and business graphics online in seconds. Vizzlo helps you create professional visuals for presentations and reports quickly and easily.
PathVisio lets you draw, edit, and share biological pathway diagrams. Find downloads, plugins, and tutorials to help you get started with pathway editing.
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Create flowcharts, network diagrams, UML, and more with this free online diagram maker. Import files from other tools and design visually with ease.
Create, edit, and visualize AWS and Azure cloud architecture diagrams instantly. Connect your live environment and optimize your cloud setup easily.
Create diagrams and flowcharts from text using Mermaid. Easily visualize processes, workflows, and ideas directly in your browser or documentation.
Terrastruct offers powerful diagramming tools for developers to create, edit, and visualize software architecture quickly and interactively.
JointJS is a JavaScript library for building interactive diagrams and visual editors, helping developers create powerful UI tools and no-code apps.
Create flexible concept maps to organize ideas and digital resources for teaching, learning, and research with this easy-to-use diagram tool.
Create, view, and embed BPMN, DMN, and CMMN diagrams online with easy-to-use, open-source tools for modeling business processes and forms.
Easily create and share collaborative mind maps and flowcharts online. Organize ideas visually and work with others in real time, right from your browser.
Create storyboards online with easy drag-and-drop tools, AI image generation, and templates—perfect for planning videos and sharing ideas visually.
yWorks offers advanced tools for creating, editing, and analyzing diagrams and graphs, supporting real-time collaboration and multiple platforms.
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