Dia is a popular open source diagram editor that supports more than 30 different diagram types (e.g. flow charts, computer networks, UML, ER).
Dia supports Windows, Mac OS X and Linux.
Please use Flattr to support the Dia development. Your contribution will be used e.g. for web hosting cost, software (compilers, operating systems for testing, etc).
Note that Dia is a GNOME project and dia-installer.de does not represent the whole project.
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