Education & Reference (1202 programs)

Pros: Compiles all your reading materials. Saves unlimited webpages across websites. Embedded HTML editor. User-friendly UI.

Cons: Free version has limited import and export functions.

Pros: Slick 3D interface. Detailed picture of the solar system. Search and navigate the universe easily. Uses GPS on mobile devices.

Cons: Can be slow and sluggish to render 3D graphics. Enhanced planetery info only in Premium version.