If you need to view or create basic diagrams without a heavy installation, use the web version. : Included in many Microsoft 365 business plans.
| Tool | Platform | Key Features | Free for | |------|----------|--------------|-----------| | (read-only free) | Browser | View/share diagrams | Microsoft account | | Draw.io (diagrams.net) | Web, Windows, macOS, Linux | Flowcharts, network diagrams, UML, import/export .vsdx | Everyone (open source) | | LibreOffice Draw | Windows, macOS, Linux | Vector graphics, basic flowcharting | Everyone (open source) | | Lucidchart (free tier) | Web | Collaborative diagrams, templates | Limited shapes/documents | download microsoft visio portable free