The 3.3.7 version of N.E.D.1 for Mac is available as a free download on our website. The following version: 3.3 is the most frequently downloaded one by the program users. Commonly, this program's installer has the following filename: n.e.d.3.3.7.zip. This free Mac application is an intellectual property of NonLinear Educating Inc. The application lies within Education Tools, more precisely Computer Skills.
From the developer:
You may want to check out more software for Mac, such as Learn Lightroom 3 Quickstart edition, AV for Photoshop CS6 206 - Creating HDR Photos or MPV's Motion 5 101, which might be related to N.E.D.1.