VSCO Cam - VSCO Cam is an iPhone, iPod Touch, & Android camera app w/ elegant, minimal processing options.
Star Chart - Stellarium is a planetarium software that shows exactly what you see when you look up at the stars. It's easy to use, and free. Read more about Star Chart.
Heroshot - Heroshot is one of the most sophisticated smart camera application which allows you to take portrait depth effect photos with the beautiful background and give you various tools to edit them and post on your social site directly from the application…
Google Sky Map - Google Sky Map is a free hand-held planetarium that allows you to identify stars, planets and more.
Portrait Mode + - Change focus, swap background (and more) of portrait photos
Code NASA - 253 NASA open source software projects