LightZone is an open‑source, non‑destructive RAW editor that uses zone‑based controls for powerful photo adjustments. If you’re looking for other free tools that can handle photo editing, graphic design, or both, the list below offers twenty solid alternatives—ranging from desktop applications to web‑based editors—each with a brief description and a link to the official download or usage page.
Get targeted exposure with custom position pinning and highlighted placement.
Feature‑rich raster editor comparable to Photoshop; supports layers, masks, filters, and extensive plug‑ins.
Professional digital painting and illustration app with robust brush engines and layer management; also suitable for photo retouching.
Open‑source photography workflow tool focused on RAW processing; offers non‑destructive editing, tethered shooting, and advanced color management.
High‑performance RAW converter with sophisticated tone mapping, noise reduction, and batch processing capabilities.
Lightweight Windows editor that provides layers, effects, and a simple UI—ideal for quick edits and graphic creation.
Vector graphics editor for creating scalable illustrations, logos, and UI mock‑ups; supports SVG, extensions, and bitmap tracing.
Web‑based Photoshop‑compatible editor that works directly in the browser; supports PSD, XCF, Sketch, and RAW files.
Online photo editor with a modern UI, offering layers, filters, and AI‑powered tools for quick enhancements.
Drag‑and‑drop design platform for social graphics, presentations, and simple photo edits; includes templates and a library of free assets.
Cross‑platform vector design app with precision tools, cloud sync, and export options for UI, illustration, and print.
Simple, Paint.NET‑inspired editor for Linux, Windows, and macOS; offers drawing tools, layers, and basic image adjustments.
Linux‑focused photo editor that provides RAW conversion, batch processing, and a range of artistic filters.
Open‑source photo management suite with integrated editing, RAW support, and powerful tagging/search features.
Google’s free mobile photo editor offering professional‑grade tools, RAW support, and selective adjustments.
AI‑enhanced editor with filters, masking, and batch export; available as desktop, web, and mobile apps.
Online and desktop editor that provides basic retouching, HDR, and collage tools with a user‑friendly interface.
Free, web‑based vector graphics editor with real‑time collaboration and simple shape/pen tools.
Open‑source digital painting program focused on brush dynamics; includes unlimited canvas size and supports PNG export.
macOS‑only lightweight image editor built on the Cocoa framework; offers layers, gradients, and basic filters.
All‑in‑one photo editor with batch processing, collage maker, GIF animation, and basic RAW support.