- AtlasOfLivingAustralia/open-delta Wiki

Please backup your DELTA files before using them with this application

Installing the Open DELTA software

Releases of the DELTA software are available in the Downloads section of this web site.

Currently we distribute the Open DELTA software as either a .zip/.tar.gz archive (all platforms) or as an installer (Microsoft Windows or Mac OS X).


If you have a Java 7 or 8 runtime environment installed

  1. Download and run

If you do not have a Java 7 or 8 runtime environment installed or do not know if you have a Java 7 or 8 runtime installed

  1. Download and run

Choosing which users to install the application for

The installation wizard provides you with the choice to either install Open DELTA for anyone using the computer, or only for the current user:

You should choose to install only for the current user if:

Running Open DELTA

The tools in the Open DELTA suite can be run from the Windows Start Menu under All Programs/Open DELTA Suite.

Uninstalling Open DELTA

An uninstallation wizard is provided on windows. The uninstallation wizard can be run by selecting Uninstall Open DELTA Suite from the Windows Start Menu under All Programs/Open DELTA Suite. It can also be run from the Control Panel under Programs and Features or Add/Remove Programs on earlier versions of Windows.

Mac OS (version 10.6.8 and above)

  1. Download to your computer.
  2. Double click on the file in the Finder application.
  3. In the window that opens, drag the "Open DELTA" folder into the "Applications" folder.
  4. If you are using OS X 10.8 you may encounter an error ""Delta Editor" can't be opened because it is from an unidentified developer". If you encounter this error, you can hold down the "control" key before clicking on the Application to be presented with a different dialog that allows you to proceed.

N.B The Mac OS distribution isn't working in Mac OS 10.12+ due to App Translocation. See: for information.

As a workaround, you can run the scripts directly from the terminal using:

/Applications/Open Delta/Delta
/Applications/Open Delta/

Other Platforms

You must have a Java 7 or 8 runtime environment installed on your computer.

  1. Download either or to your computer.
  2. Open a terminal and navigate to the directory you downloaded the archive to.
  3. Use your favourite archive extracting tool or use the command below to extract the contents of the archive:
tar xvfz open-delta-1.02-bin.tar.gz

Once the files have been extracted, the shell scripts will not be executable by default.

  1. Open a terminal and change to the directly where you extracted the archive.
  2. Execute the following commands to make the scripts executable.
cd open-delta-1.02/bin
chmod u+x *.sh

To run the DELTA Editor


To run Intkey:


To run CONFOR:

./ <directive file name>