Fiji
Fiji Is Just ImageJ: http://fiji.sc/
A version of ImageJ that is pre-packaged with a large number of plugins
and macros.
More convenient to set up than ImageJ
The plugins, macros, and additional tools are oriented towards analysis of cell and other
biological samples.
In this tutorial we’ll use Fiji
Recommended for most people in bio-related fields
The terms Fiji and ImageJ will be used interchangeably for this tutorial.