GitHub project: https://github.com/Halajohn/openproj-w

This is a modified version of OpenProj.

Like Openproject (another OpenProj-modified one), only the modified files in this openproj-w are available under BSD license - all other code belongs to the Projity corporation.

The modified files includes:

   1818 ExtendedDateFormat.java
  13628 GraphPageable.java
 103893 GraphicManager.java
   8351 SpreadSheetRenderer.java
  11414 TimeScale.java
  56680 client.properties
  36362 configuration.xml
  40683 menu.properties

The modifications to the original OpenProj-1.4 includes:

http://openproj-w.googlecode.com/files/week_number_display.png

As stated in the Openproject, This might be useful, when you want to show diagrams created in openproj on the computer where OpenProj is not installed (or paste it to some kind of presentation or something).

http://openproj-w.googlecode.com/files/export_to_PNG.png

java -Xms128m -Xmx768m -jar D:\Temp\openproj-w\openproj-1.4\openproj.jar %~f1
                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Note that you have to modify the ^ part in the above statement according to your openproj-w installation folder, and then you can use this openproj-w.bat to open the OpenProj project file by double clicking that file in the file explorer.