Flowchart
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Dia
Dia – Open Source Flowchart
Dia is free and open source general-purpose diagramming software, uses a controlled single document interface (CSDI). Dia 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.
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Diagramo
Diagramo – Open Source Flowchart
Diagramo is an online flowchart software, released under GPL. This flowchart tool is based ONLY on HTML5. No Flash, no Java or other plugins. Diagramo let you share diagrams with other teammates or you can make them public if you want. You can export diagrams in SVG, Gif of JPEG format.
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