aid python development. If you only develop in Python, a good start is to set
the default settings for indentation and line-wrapping to values compliant with
`PEP 8 <http://www.python.org/dev/peps/pep-0008/>`_. In your home directory,
-open a file called `.vimrc` and add the following lines: ::
+open a file called `.vimrc` and add the following lines:::
set textwidth=79
set shiftwidth=4
Komodo IDE
------------
+----------
`Komodo IDE <http://www.activestate.com/komodo-ide>`_ is developed by
ActiveState and is a commercial IDE for Windows, Mac
and Linux.
Windows, and Mac (as an X11 application, which frustrates some Mac users).
+NINJA-IDE
+---------
+
+`NINJA-IDE <http://www.ninja-ide.org/>`_ (from the recursive acronym: "Ninja-IDE
+Is Not Just Another IDE", is a cross-platform IDE, specially designed to build
+Python applications, and runs on Linux/X11, Mac OS X and Windows desktop operating
+systems. Installers for these platforms can be downloaded from the website.
+
+NINJA-IDE is open-source software (GPLv3 licence) and is developed in Python and
+Qt. The source files can be downloaded from `GitHub <https://github.com/ninja-ide>`_.
+
Interpreter Tools
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