When I was doing odds and ends graphic design years ago, I had a lot of professional tools available to me including Adobe Photoshop and Illustrator among others.
Now that I am retired I have tried to find alternative resources at much lower expense. This is one that I've been using for over a decade and it's still a free graphics tool based on the .Net framework. -- Paint.Net. It's available for a free download but you can also purchase it on the Microsoft store. The free download is in the link below, but be careful what you click because the site has a lot of adverts (to make money of course). The download link is here: Paint.Net DO NOT click the Start Now button. That's an ad. Click the link in the upper right that says "Free download now
(current version)"
There are available plugins for this but I haven't tried any of the latest yet. The basic end result is that you'll have a free graphics editor that will remind you of Photoshop. Example of what it will look like:
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0Are you sure this is open source? I do see they have a Github account, but seems mostly like a front just to serve the compiled version, I am not seeing the source anywhere. — Brian Wozeniak
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0After you asked the question I looked again they used to supply the code but it appears they don't any longer. It's still a solid graphics editor. I used it to make this post. — Mark Bowker