Apps with 'Open PSD files' feature
GIMP is a free program for such photo retouching, image composition and image authoring. Essentially it's the closest thing to Photoshop you can get for free.
Professional, open-source raster graphics editor with advanced digital painting and sketching tools and workflow features.
Professional image editing software for desktop and iPad.
Affinity Designer is the fastest, smoothest, most precise vector graphic design software available.
nomacs is a small, fast image viewer able to handle the most common image formats including RAW images. Additionally it is possible to synchronize multiple viewers.
Online photo editor, which can work with PSD, XCF and Sketch files (Photoshop, Gimp and Sketch App). Convert between PSD, XCF, JPG, PNG and many other formats. .
Drawing software featuring an unobtrusive user interface and a powerful drawing engine.
Pixelmator is a image editing application for macOS and iOS.
Clip Studio Paint, previously Manga Studio or ComicStudio in Japan, is a family of software applications for Mac OS X and Microsoft Windows used for the digital creation of comics...
A professional digital drawing and painting application for iPad (and iPhone as a Pocket version).
One of the few features I missed from Mac OS X is Quick Look. It allows user peek into a file content in a lightening speed by just pressing the Space key. Windows, o...
Sketches is a perfect mix of beauty, simplicity and power, a truly unique combination you won't find anywhere else.
This is a quick look tool for Windows. Acts just like the one in OS X , but Seer is more powerful and faster.FEATURESSupport picture,included PSD&AI file.
Convert your tablet, Chromebook, or phone into digital sketchbook with more than 80 paint brushes, smudge, file and eraser tool.
openCanvas, popularly abbreviated as oC, is a popular Japanese image editing program. openCanvas is a paint software package that can be used by experts and novices alike.