Sites and apps similar to quiver diagram editor include draw.io, which is free and open source. Other options are Excalidraw, LibreOffice - Draw, Dia and yEd Graph Editor. There's no shortage of Diagram Editors like quiver diagram editor, with more than 50 alternatives for Windows, Mac, Linux, iPad and Android.
Visualize projects, ideas, and strategies with mind maps, charts, and diagrams. Manage tasks, meetings, and information using attachments, embedded browsers, and templates. Collaborate in teams and integrate with multiple platforms, including Office and cloud services.
Canada
Gaphor is a WYSIWYG (What You See Is What You Get) UML and SysML modeling environment easy to use that will help you create your applications.
Netherlands
EU
Creates diagrams from textual descriptions! It provides a unified API with support for BlockDiag, BPMN, Bytefield, C4 (with PlantUML), Ditaa, Erd, GraphViz, Mermaid, Nomnoml, PlantUML, SvgBob, UMLet, Vega, Vega-Lite, WaveDrom.
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.
United States
StarUML is a program to develop fast, flexible, extensible, featureful, and freely-available UML/MDA platform running on Win32 platform. The goal of the StarUML project is to build a software modeling tool and also platform that is a compelling replacement of commercial UML...
South Korea
Create flowcharts (and mind maps) without worrying about layout with QuikFlow. With our innovative interactive layout algorithms, you can work as if you were using a mind mapping application while creating flowcharts. Define your structure and the app handles the layout!
GermanyEU
concept maps on servers, edit their maps synchronously (at the same time) with other users on the Internet, and search the web for information relevant to a concept map.
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.
Instead of starting with a blank screen, SmartDraw gives you the exact template you need. Then use simple commands to add your information and SmartDraw does the rest. There's no other drawing software like it.
United States
IngaBoard is a minimalist, keyboard-driven application that turns fragments of "Cause and Effect" into structured Directed Acyclic Graphs (DAG) instantly. No manual boxes, no dragging lines. By stripping away superficial decoration, we reveal the inherent beauty of structural truth.
Japan
InfraNodus can visualize any research notes, ideas, texts, even the Google search results on a certain topic as a text network. The words are the nodes and their co-occurrences are the connections between them.
EstoniaEU
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.
Australia
