Compositor is a free, open-source image editor for macOS designed around professional compositing and post-processing workflows. It provides Photoshop-style layers, folders, opacity controls, blend modes, masks, clipping masks, and adjustment layers. Non-destructive transformations allow images to be moved, scaled, rotated, flipped, or distorted while preserving source resolution. Built-in adjustments and effects include curves, levels, exposure, color controls, blur, noise, shadows, glows,...