Sites and apps similar to Vellum Diagram Editor include draw.io, which is free and open source. Other options are Excalidraw, LibreOffice - Draw, yEd Graph Editor and Dia. You're spoiled for choice with Diagram Editors like Vellum Diagram Editor: we list more than 50 alternatives for Windows, Mac, Linux, iPad and Android.
Grafio allows you to make flow charts, org charts, Venn diagrams, mind maps, take notes, sketches and do other diagrams. Everything is custom and modifiable.
United Kingdom
Flowgorithm is a free application that helps you create programs using simple flowcharts.
United States
EDGE Diagrammer is a diagramming tool for creating various types of diagrams including block diagrams, flowcharts, and organizational charts. It automatically connects lines to figures, adjusts when objects are moved, and modifies shape size when text is added.
United States
Cacoo is a user-friendly online diagramming tool that allows you to create a variety of diagrams such as wireframes, flowcharts, UML diagrams, network diagrams, mindmaps, sitemaps, database diagrams, and more.
United States
Web-based diagram platform offers real-time teamwork, 50+ diagram and mind mapping types, technical wireframing, smart objects, templates, version control, secure cloud storage, PDF export, collaboration tools, commenting, and integration for business and education use.
Australia
A Powerful idea processor.It's Open Source and Freeware. Create UML Diagrams, Network Diagrams, Flowcharts and many other types of diagrams with the versatile Dynamic Draw Software.
Diagramo is an online flowchart software
United States
"If they could see what Im thinking, they'd get it!" People just understand faster with pictures. It helps them see how information is connected, whether it is complete, and how a shift in one element impacts something else.
United States
Simple vector graphics editor for creating flowcharts, UML class diagrams, illustrations and slide shows.
Denmark
EU
MyDraw is an easy to use, yet powerful diagramming software that lets you create a large number of diagrams like flowcharts, organizational charts, mind maps, network diagrams, floor plans, family trees, business model diagrams, and many more.
BulgariaEU
Draft.io is a visual and living document with the power of a flexible and collaborative blackboard. It’s a perfect environment to investigate, solve problems creatively, manage your projects visually, and document just what it takes to move forward.
