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Visual Paradigm International is a multiple international IT award winner.

Trusted by millions of users including Fortune 500, modeling consultants, government units, NGO and many individuals.

Large user community developed using award-winning technology.

Microsoft Office integration: Embed your diagram in Word and PPT and edit with ease.

Keep and share your diagram via our cloud workspace or Google Drive.

It currently has special objects to help draw entity relationship diagrams, UML diagrams, flowcharts, network diagrams, and many other diagrams.

Export diagrams as PNG, SVG, PDF and more Download Latest Version for Windows Dia Diagram Editor is an open-source visual-editing application, which can be used to draw numerous different kinds of diagrams.

A powerful Visio alternative that supports importing Visio.

Excellent interoperability and compatibility.

Cross-platform supported, works well on Windows, Mac, Linux.

Without a doubt, Visual Paradigm Online is the best P&ID. The P&ID diagram software comes with a rich set of high-quality P&ID symbols for you to create different kinds of P&ID diagrams.

Support wide variety of diagram types that covers most of the business domains ranging from software development, strategic planning, business improvements, to project management, network engineering and cloud-based IT architecture design. Visual Paradigms P&ID tool features a handy diagram editor that allows you to draw P&ID diagrams, industrial diagrams, and schematics quickly and easily.

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Dia is an open-source program that allows you to create technical diagrams designed for any purpose.

Embed your own images, URLs and text in your diagrams An open source general-purpose diagramming software.

Wide range of formatting options for shapes and connectors.Position shapes accurately and easily with alignment guide.

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