
draw.io
yEd
LucidChart
UMLGraph
PlantUML
OmniGraffle
CollabNet
Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.

Extism
OpenCL
Add design patterns to C# and VB without boilerplate code with PostSharp. Choose from ready-made design patterns for C# and VB or create your own.

Which is more popular?
Based on our record, Dia seems to be more popular. It has been mentioned 12 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | dia-installer.de | postsharp.net |
| Pricing | — | |
| Company | Startup from Germany | — |
| Listed in |
What each product offers, as listed by its team.


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Overall verdict
Why this product is good
Recommended for
Overall verdict
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Aspect Oriented Programming with PostSharp | Pluralsight
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External articles and on-site reviews we used to compare the two products.


UI of Dia is not the best in the world. The icons have very low resolution, it does not have support for screen resolutions higher than 1080p so that users of large and Ultra wide monitors could have problems.
Dia is a downloadable program that works with Windows and is a great way to make charts and diagrams just like with Visual Paradigm. The desktop tool provides different elements to make your chart more accurate. The...
Dia is a full-featured diagramming program which is licensed under GPL. It allows you to draw various types of diagrams and has special objects to help you to draw ER diagrams, UML diagrams, flowcharts, network...
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Recommendations tracked on public social media and blogs since March 2021.


First thing that come to my mind Dia Diagram Editor (http://dia-installer.de/). - Source: Hacker News / over 1 year ago
I used GIMP (https://www.gimp.org) and Dia Diagram Editor (http://dia-installer.de) I can't say I was very happy with either for what I was doing (laying out mount points for solar panels) FreeCAD (https://www.freecad.org) looks like a... Source: over 3 years ago
Perhaps the old Dia (works on W10). There's a portable version on Portableapps.com. Source: over 3 years ago
Tracking PostSharp since Mar 2021.
When comparing Dia and PostSharp, you can also consider the following products.


Extism is the open source, universal plug-in system. Extend all the software everywhere! Powered by WebAssembly.
Compare Extism to Dia or PostSharp:

yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.
Compare yEd to Dia or PostSharp:
Application and Data, Languages & Frameworks, and Language Extensions
Compare OpenCL to Dia or PostSharp:

LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
Compare LucidChart to Dia or PostSharp:

UMLGraph is a professional automated drawing tool that allows the designers the declarative specification and drawing of UML class and sequence diagram.
Compare UMLGraph to Dia or PostSharp: