My 4 favorite image editing apps on Linux - and two are free Photoshop alternatives
Briefly

Linux provides several capable image editing tools, with GIMP and Krita being among the top options. GIMP is often highlighted as a close alternative to Photoshop, incorporating essential features like non-destructive editing introduced in version 3.0. Users can create stunning images with versatile tools, filters, and a customizable workspace. Krita stands out for its user-friendly design geared toward digital painting, supporting a wide array of brushes to enhance the creative process. Both editors offer unique advantages, making them notable for any Linux user into image editing.
Krita provides a user-friendly interface and an advanced toolkit aimed specifically at digital painting. It supports a wide variety of brushes and has an intuitive layout that makes the painting process smoother.
GIMP offers comprehensive tools for both simple and complex image creation. Its latest version includes non-destructive editing, allowing users to modify images without losing the original data.
Read at ZDNET
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