When looking for different websites or different software productions the search engine will in most cases deliver the same results. For example : How to crop an image in Photoshop.

But since not all of us can afford all the commercial software alternatives are always welcome.

A site that is dedicated to finding alternatives for software is described in the below 2 min video.

https://www.youtube.com/watch?v=fxl9Kx1XMrw&feature=youtu.be