You can create and edit diagrams, charts, graphs with our app Dia Online. Click in the following button to create or edit photos & images:
This is the Linux app Dia for diagrams so it inherits all its functionalities.
Dia main features are:
Dia is an editor for diagrams, graphs, charts with support for uml static structure diagrams (class diagrams), entity-relationship diagrams and network diagrams drawing. It is an adaptation of the application Dia, which is a free open source application.
It has a modular design with several shape packages available for different needs: flowchart, network diagrams, circuit diagrams, and more. It does not restrict symbols and connectors from various categories from being placed together. Dia has special objects to help draw entity-relationship models, Unified Modeling Language (UML) diagrams, flowcharts, network diagrams, and simple electrical circuits.