The best alternatives to yEd are Design Sprint Kits, Mark, and Diagrams.net. If these 3 options don't work for you, we've listed a few more alternatives below.
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Agree.comโ Free e-signature for everyone with invoicing and payments!
The Design Sprint Kit is an open-source resource for design leaders, product owners, developers or anyone who is learning about or running Design Sprints.
diagrams.net is an open source technology stack for building diagramming applications, and the worldโs most widely used browser-based end-user diagramming software.
Lucidchart is your solution for visual communication and cross-platform collaboration. Create professional flowcharts, process maps, UML models, org charts, and ER diagrams using our templates or import feature.
Web Sequence is a Chrome extension that saves your time and helps you avoid common mistakes when drawing sequence diagrams. You don't need to drag and drop or resize. Just type in your code (a DSL but like Java and C#) and a diagram is generated for you. Just added HTTPS support. If you are experience issues, please leave comments.