Saving over the PSD could ruin the file if you intend to open it back up in Photoshop later, so you should only use the tool if you plan to edit everything in GIMP. Download: GIMP (Free) ...

Here are some 11 resources & websites to download Vector, Icon and PSD files & stock graphics. All of them are free & you can use them without restrictions.

Photopea is a web tool that lets you create, open, edit Photoshop & GIMP image files using its free online photo editor, using Filters & other features.