Diagrams Softwares and Apps

Discover best Diagrams softwares, apps and websites.

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Dia

Dia

Open Source

Dia is a free and open-source diagramming software suitable for creating a variety of diagrams including flowcharts, UML diagrams, and network layouts.

Completely free and open source.
Development Office & Productivity
Pencil Project

Pencil Project

Open Source

Pencil Project is a free and open-source GUI prototyping tool that helps designers and developers create wireframes and mockups easily. Available as a standalone application and a Firefox extension, it offers a wide range of built-in shapes and templates for various platforms.

Free and open source with no cost.
Firefox extension
Photos & Graphics Web Browsers
Microsoft Office Visio

Microsoft Visio is a powerful diagramming tool designed to simplify complex information through visual representations like flowcharts, network diagrams, and floor plans. It is a key part of the Microsoft Office suite, offering a wide range of stencils and templates for various industries and needs.

Extensive library of stencils and templates for various industries and diagram t...
Diagrams
Office & Productivity Photos & Graphics
Google Drive - Drawings

Google Drawings is a versatile, web-based application for creating diagrams, flowcharts, and simple graphics. It integrates seamlessly with Google Drive and offers real-time collaboration, making it ideal for team projects and visual communication.

Excellent free cloud-based diagramming tool.
Charts
Office & Productivity Photos & Graphics
Diagram Designer

Diagram Designer is a free, lightweight vector graphics editor for creating various diagrams, including flowcharts, UML diagrams, illustrations, and slideshows.

Free and open source.
Diagrams
Development
draw.io

draw.io

Open Source

draw.io is a versatile online diagramming tool providing a rich feature set for creating professional diagrams of all types. It offers robust integrations with major cloud storage providers and office suites, enabling seamless collaboration and accessibility. Its intuitive interface makes diagram creation straightforward for users of all skill levels.

Completely free and open-source.
Auto aligment rulers
Business & Commerce Development Office & Productivity
Grafio

Grafio

Freemium

Grafio is a comprehensive and user-friendly diagramming application designed for iOS, enabling users to effortlessly create various visual representations such as flowcharts, mind maps, and network diagrams. Its intuitive interface and robust feature set make it a versatile tool whether for professional documentation, brainstorming sessions, or personal organization.

Optimized for iOS touch interface, intuitive and responsive.
Brainstorming
Development Office & Productivity Photos & Graphics
UMLet

UMLet

Open Source

UMLet is an open-source, Java-based UML modeling tool designed for both educational purposes and rapid creation of UML diagrams. It supports a wide range of diagram types and offers good integration with popular IDEs.

Free and open-source
Content Templates
Development
Cacoo

Cacoo

Freemium

Cacoo is a collaborative online diagramming and flowcharting tool that allows teams to visualize ideas and processes in real-time. With a user-friendly interface and a wealth of templates, it simplifies the creation of professional-looking diagrams, making it ideal for teams seeking improved communication and clarity.

Excellent real-time collaboration features.
Collaborative
Office & Productivity
Visual Paradigm

Visual Paradigm

Commercial

Visual Paradigm is a comprehensive modeling and design tool for software development, enterprise architecture, and business process analysis. It supports a wide range of diagramming notations including UML, BPMN, ERD, and more, facilitating code generation, reverse engineering, and team collaboration.

Extensive support for a wide range of modeling notations (UML, BPMN, ERD, etc.)
BPMN2 animation
Development
Nevron Draw

Nevron Draw

Commercial

Nevron Draw is a comprehensive diagramming software designed to help users create professional-looking diagrams, flowcharts, floor plans, and more. It offers a rich feature set, collaborative capabilities, and extensive export options for various diagramming needs.

Supports a wide range of diagram types.
Constructive geometry
Office & Productivity
Storyboard That

Storyboard That

Freemium

Storyboard That is an online platform for creating storyboards, graphic organizers, and visual aids. It's widely used in education and business for planning, communication, and creative expression. Users can drag and drop characters, scenes, and objects to bring their ideas to life visually.

Extremely easy to use with a drag-and-drop interface.
Diagrams
Business & Commerce Development Education & Reference Office & Productivity
VisiTouch

VisiTouch

Commercial

VisiTouch, though discontinued, was an iOS application designed for viewing and converting Microsoft Visio diagrams (VSD, VDX, VSDX) on iPhone. It provided a convenient way to access and share your Visio files on the go, integrating features like PDF conversion and collaboration.