Image editing is so much fun especially if you are very creative in arts. It's that way you could express your feelings through designing. Most of the people nowadays are into photo editing. Most of them do these stuff to enhance images and emphasize their image more.
Photoshop is a software where you could use to edit these images. It has the capability of making things appear as it like. It does not limit what you will do as long as you have the techniques on how to do what you want to create.
One of the leading company that provides the technology of photo editing is the Adobe systems. They develop the Adobe Photoshop which is one of the best tool today that could be used to edit any kind of images. Aside from that, it also have many functionalities that could be useful in photo editing and enhancing.
Aside from Adobe there are also other makers that provide almost the same functions as the Adobe have. It could be an open-source or for-sale.