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I'm looking for something similar to iPlotz or Mockup.

I've found the Pencil Project, but it requires xulrunner-1.9 (which seems to be incompatible with xulrunner-1.9.2) in order to run as a standalone application. It can be used as a firefox plugin... but it is a bit slower.

The error on my desktop (Ubuntu 10.04) is: Could not find compatible GRE between version 1.9.1 and 1.9.2.*

Does anyone know other software?

Edit: Open-source software is preferred, and it doesn't matter whether or not it's free.

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closed as primarily opinion-based by Braiam, Eric Carvalho, belacqua, psusi, mniess May 28 '14 at 21:24

Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on opinions, rather than facts, references, or specific expertise.If this question can be reworded to fit the rules in the help center, please edit the question.

Could you explain what is wrong with Pencil? – dv3500ea Nov 5 '10 at 16:48
@dv3500ea, I think he did: I've found Pencil Project, but it require xulrunner-1.9 (seem to be incompatible with xulrunner-1.9.2) to be run as a standalone application; However it can be used as a firefox plugin..but is a bit slower. – TheXed Nov 5 '10 at 17:02
I have xulrunner-1.9.2 installed and Pencil runs fine – dv3500ea Nov 5 '10 at 17:19
@dv3500ea, now im at home with ubuntu 10.10 and it works; this evening on my office desktop with ubuntu 10.04 didnt work, the error message was Could not find compatible GRE between version 1.9.1 and 1.9.2.* – Strae Nov 5 '10 at 19:11
if you cd into where you have unpacked pencil and xulrunner application.ini, that fixes your initial problem – tobyodavies Mar 9 '12 at 0:47
up vote 11 down vote accepted

WireframeSketcher is a rapid wireframing tool for Eclipse-based IDEs like Aptana, Zend Studio and the like. It also comes as a standalone version for all major platforms including Ubuntu. Give it a try.

Sample WireframeSketcher mockup

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It's not free nor open source, but fully functional with some limitations. – Hendy Irawan May 27 '11 at 0:59
@Hendy: i dont mynd the "free" part, is the "not opensource" i dont like much.. – Strae May 27 '11 at 7:14
@DaNiel: just so you know, certain parts of WireframeSketcher are now open-source. – Peter Severin Jul 21 '11 at 8:46
I just intalled it and I am already loving it. – lpanebr Nov 17 '11 at 18:37
Oooh this thing is bloody expensive. – Rexford Apr 17 at 23:14

After some research, I found Dia, and it's exactly what i was looking for: simple, open and stable.

Maybe I explained my needs badly. More than just software to design layouts, I also needed something that provided the ability to build flowcharts. I tried ArgoUML, too. It looks great, just a bit complicated.

I apologize for the misunderstanding.

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Maybe it's not so sophisticated, but you could also try Gazpacho, an UI designer. It's in the repositories.

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Try Balsamiq. It uses Adobe Air and runs properly on Ubuntu.

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Balsamiq doesnt seem to be open source. – Strae Nov 5 '10 at 19:12
Correct. Balsamiq isn't open source. – dv3500ea Nov 5 '10 at 19:20
Shame someone marked this down - the answer came before the question was edited to express a preference for open source. Even then, marking down software for being closed source seems pretty narrow minded (obviously assuming that was why it was marked down...). – Scaine Jan 4 '11 at 19:56
Specially because Balsamiq seems to be a great tool. – mimoralea Mar 19 '14 at 17:56

I did a bit of digging and found this. According to it, after you install the latest version of Firefox and Pencil (Pencil's latest version does not come in deb by default, so get the rpm and install with alien -i <rpmname>), edit the application.ini from the Pencil folder in /usr/lib and change the max version mentioned to the version of Firefox you have (the main release version is sufficient, e.g., 16). Then edit usr/bin/evoluspencil, which is nothing but a script to invoke xulrunner. Change /usr/bin/xulrunner to /usr/bin/firefox. Now opening Pencil from the applications menu will work just fine, and Firefox needs not be open for it to run.

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Welcome to Ask Ubuntu. While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes. – Peachy Sep 25 '12 at 23:59
Thank you for the suggestion, @msPeachy! I have modified the answer. – Subhamoy Sengupta Sep 26 '12 at 9:43
Excellent! This was exactly what I needed! – Niklas Sep 30 '12 at 20:28

As of Pencil 1.2 it runs on xulrunner 1.9.2 (I'm on Ubuntu 11.04 64-bit).

First install xulrunner 1.9.2 :

sudo apt-get install xulrunner-1.9.2-gnome-support 

If you're still having problems or you're on 64-bit, run it like this:

xulrunner /opt/pencil/application.ini 
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I have xulrunner 1.9.2 on 11.04 and Pencil 1.2 didn't work for me. – Jay Aug 31 '11 at 20:23
@Jay what the error message looks like ? I've updated my answer, please try it – Hendy Irawan Nov 17 '11 at 10:28
[code]Error: Platform version '2.0' is not compatible with minVersion >= 1.9.1 maxVersion <= 1.9.2.*[/code] – Jay Nov 23 '11 at 14:21

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