Linux Softwares to Layer manipulation

GIMP (GNU Image Manipulation Program) is a powerful, free, and open-source raster graphics editor used for image manipulation, retouching, composition, and authoring. It supports a vast array of file formats and provides sophisticated tools comparable to commercial alternatives, making it a versatile choice for photographers, designers, and artists.

LazPaint is a lightweight, portable raster image editor designed for simplicity while offering essential features like layers and various photo effects. It aims to be an accessible alternative to more complex software, making image editing approachable for users seeking a less overwhelming experience.

SketchPort is a versatile web-based digital drawing application designed for artists of all skill levels. Offering a modern interface and a comprehensive suite of tools, it facilitates everything from quick sketches to detailed illustrations, with features like layer support, customizable brushes, and community integration.

Polarr is a powerful photo editing software designed for both casual users and professionals. It offers a wide range of tools, from basic adjustments to advanced retouching and filtering, accessible across multiple platforms including web, desktop, and mobile.

Krita is a powerful, free, and open-source painting program designed for professional artists and illustrators. It offers a comprehensive suite of tools for digital painting, sketching, image editing, and animation, making it a versatile solution for various creative workflows.