ICING is a free platform independent desktop app that enables you to create and edit cell properties files (CellProperties) of a PSICS model.
In other words, ICING aims to relate channel models and the morphology by specifying how the channels are distributed over the structure. ICING helps you to determine a complex neuron model.
Being developed using Java, ICING is a cross-platform tool which can be used on any operating system that comes with Java support (e.g. Mac OS X, Windows, Linux).
Detailed instructions on how to install and use the ICING utility on your Mac are available HERE.