Top Alternatives to Gliffy

Lucidchart is a leading web-based diagramming software that empowers individuals and teams to create complex visual representations of ideas, systems, and processes. It offers extensive shape libraries, real-time collaboration features, and seamless integration with popular productivity tools, making it ideal for flowcharts, UML diagrams, wireframes, and more.

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.

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

yEd Graph Editor is a versatile and free desktop application for creating high-quality diagrams of various types, including flowcharts, UML diagrams, BPMN diagrams, and more. It offers powerful automatic layout algorithms and a wide range of formatting options, making it suitable for both simple and complex visualizations.

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.

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.

OmniGraffle is a robust diagramming and vector graphics application designed for macOS and iOS. It empowers users to create a wide range of visuals including precise flowcharts, complex network diagrams, organizational charts, and intricate illustrations.

ConceptDraw PRO is a versatile diagramming tool designed for creating professional business graphics, flowcharts, mind maps, project diagrams, and more. It provides a comprehensive set of tools and libraries for visual communication and project management.

MindMeister is a leading online mind mapping tool empowering teams and individuals to visualize, organize, and share ideas collaboratively. It's designed for brainstorming, project planning, meeting minutes, and knowledge management.

Creately is a collaborative online visual workspace that goes beyond traditional diagramming, enabling teams to visualize, strategize, and manage workflows effectively. It supports a wide range of diagram types and real-time collaboration, making it ideal for diverse teams and projects.

Moqups is a versatile web-based design and collaboration tool for creating wireframes, mockups, diagrams, and prototypes, streamlining the design process from concept to handoff.

PlantUML is an open-source tool that allows users to generate a wide variety of UML and other diagram types from a simple human-readable text description. It supports sequences, use case, class, activity, component, state, object, deployment, timing diagrams, and more, making it accessible and efficient for technical documentation and visualization.

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.

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.

Axure RP is a comprehensive software tool for designing, prototyping, and documenting digital products. It empowers UX professionals and designers to create interactive wireframes and prototypes with rich functionality, facilitating collaboration and stakeholder feedback.

SmartDraw is a powerful diagramming tool that simplifies the creation of various visual aids, including flowcharts, organizational charts, floor plans, and network diagrams. It offers intelligent formatting and a vast library of templates and symbols for quick and accurate diagramming.

Edraw Max is a powerful, all-in-one diagramming software for creating professional diagrams, charts, floor plans, network diagrams, and much more. It offers a vast library of templates and symbols for various industries, facilitating efficient visual communication and project planning for individuals and teams.

Fluid UI is a powerful, browser-based wireframing and prototyping tool designed specifically for creating interactive mobile touch interfaces with speed and ease. It empowers designers and developers to rapidly build and test ideas.

Diagramo is a robust, open-source web-based diagramming tool perfect for creating flowcharts, graphs, and various diagrams directly in your browser. Built on HTML5, it offers real-time collaboration and flexible export options, making it accessible and versatile.

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

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.

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.

ProcessMaker is a leading open-source digital process automation platform designed to streamline workflow and business process management.

Diagrammix is a robust macOS application engineered for the efficient creation of professional-looking diagrams, flowcharts, and various graphical representations. It offers a user-friendly interface combined with powerful tools to quickly visualize complex information.