The best free alternative to Microsoft Visio is draw.io, which is also Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Microsoft Visio and loads of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Microsoft Visio are LibreOffice - Draw, Dia, yEd Graph Editor and Lucidchart.
A daily drawing tool that supports low code for learning or office use. It can be used for flowchart, mind map, UML diagram, ER diagram, network topology diagram, BPMN, Venn diagram, database model diagram, whiteboard drawing, infinite canvas, and more.
Cloud-based diagram creation platform hosting draw.io diagrams, featuring real-time collaboration in a shared workspace. Supports flowcharts, cloud architecture (AWS, Azure, GCP), UML, ER, network diagrams, seamless import/export, and modern, intuitive interface.
Create deep visual documents, adaptable and multi-level diagrams, flowcharts, concept maps, mind maps and models.
UMLet is an open-source UML tool with a simple user interface: draw UML diagrams fast, export diagrams to eps, pdf, jpg, svg, and clipboard, share diagrams using Eclipse, and create new, custom UML elements.
Design flowcharts, UML, Venn, and mind map diagrams with customizable templates, varied symbols, shapes, connector styles, overlapping sheet support, and intuitive drag-and-drop editing. Export visuals as images, edit multiple diagrams, and organize complex data visibly.
Penrose is a platform that enables people to create beautiful diagrams just by typing mathematical notation in plain text. The goal is to make it easy for non-experts to create and explore high-quality diagrams and provide deeper insight into challenging technical concepts.
Brainboard addresses the challenges of managing complex cloud infrastructures by offering a platform that promotes collaboration, streamlines workflows, and integrates multi-cloud environments. As a single source of truth, it remains in sync with your infrastructure, updating...
Vecta is a cloud-based collaborative diagramming tool that boosts productivity and increase effectiveness for team communication.
Eraser is an all-in-one ideation tool for distributed teams. Eraser allows users to communicate ideas at the speed of thought using a markdown note editor, a lightweight canvas. Use Eraser for brainstorming, diagramming, wireframing, and interviewing!
Create beautiful diagrams in minutes. Simple syntax. Endlessly customizable. D2 is the fastest and easiest way to get a mental model from your head onto the screen, then make edits with your team.
Graphity is a diagram editor that can be used to quickly and effectively generate drawings and to apply automatic layouts to a range of different diagrams and networks.
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Easier to use, more flexible, individual tool set for every type of diagram.