You could have downloaded TerraVista 0.4.5 for Mac from our software library for free. The most popular version among TerraVista for Mac users is 0.4. TerraVista for Mac belongs to Education Tools. Terravista_0.4.5.dmg is the most frequent filename for this application's installer. The bundle identifier for this application is ch.ione.TerraVista. The actual developer of this free software for Mac is Roman Schlegel.
From the developer:
TerraVista (formally EarthView) is simply an application which shows you where on earth it is currently day and where it is night. And it does so in graphically pleasing way by drawing even the night side (though that can be turned off). Can also be configured to display real-time cloud cover.
You may want to check out more Mac applications, such as Gee, NLVM or DesignWorks Professional, which might be similar to TerraVista.