diagrams.net
JGraph
π‘ Pick it for a more capable free diagram editor with desktop apps and broad file-format support.
diagrams.net is a free web and desktop diagramming application for flowcharts, network diagrams, schematics, and technical layouts. It suits users who want...
Pros
- Free for personal and commercial diagramming
- Desktop and browser versions support offline work
- Works with Google Drive, OneDrive, Dropbox, and local files
Cons
- Less specialized electrical automation than WireSmartly
- Fewer purpose-built electrical workflows than SmartDraw
- Collaboration depends partly on the selected storage platform