But to be fair, as long as you’re working in traditional 2D media, you can build an edit, even a relatively complex one without those add-ons.
As you scroll through the Effects menu, you’ll come across a fair number that are greyed out with ‘Add On’ in reddish orange to their right. You will find however, that not all tools are available to you. Not everything is free, and the most advanced tools come at a cost, but developers gotta eat, right? (Image credit: FXhome)