One of the best parts of owning a Mac is the cool free apps that you get to download! Just like the iPhone, there’s an app for your every need, and they exceed expectations most of the time. I will go over free basic apps as well, for those with a new setup. A lot of the apps that will be showcased are open source, which basically means that you can view it’s source code and contribute to the project.
Found a few interesting ones I didn't know about. This is a great list!