GPS has been used for various apps, such as Google Maps. However, the company went further with Google Earth, giving users a bird's-eye view of the entire planet.
Google offered a business-oriented Pro version with some additional features as a subscription option. That version became the standard, which everyone has access to for free.
Plex is a free media server that works as a streaming platform for your personal media collection, allowing you to access your computer or server's media from other devices.
For those who don't have the budget for Photoshop, GIMP is a suitable free alternative that will let you digitally manipulate images with what are essentially the same tools.