The best open source Image Editor alternative to Adobe Photoshop is GIMP. If that doesn't suit you, our users have ranked more than 100 alternatives to Adobe Photoshop and many of them are open source Image Editors so hopefully you can find a suitable replacement. Other interesting open source Image Editor alternatives to Adobe Photoshop are QuickEdit, PixiEditor, PhotoGIMP and LazPaint.
Free open-source suite offering advanced photo retouching, image composition, original artwork creation, batch processing, plugin support, custom scripting, mass image format conversion, and integration with free publishing tools for comprehensive editing solutions.
Lightweight tool offering cropping, drawing, text editing with formatting options, GPUImage filters, smooth Jetpack Compose-based animations, quick saving, and direct sharing to social media apps, designed for fast, simple photo enhancements on any device.
Create pixel-perfect sprites, raster paintings, and scalable vector graphics with a unified open-source editor featuring frame-by-frame animation, a node-based workflow, custom shaders, procedural art tools, anti-aliased brushes, and versatile export options.
Raster & vector graphic editor with many tools and filters, written in Lazarus. Portable, 32bit & 64bit versions, ORA format & 16384x16384 image support. In app 3D import & rendering.
BSD-licensed portable photo editor for Windows featuring multi-layer editing, batch processing, macro support, real-time effect previews, advanced filters, customizable hotkeys, non-destructive tools, color-managed workflow, efficient performance, and broad file compatibility.
miniPaint is free online image editor using HTML5. Edit, adjust your images, add effects online in your browser without installing anything. You can use the Electron based version of the editor if you like.
Open source image editor with non-destructive editing, 110+ filters, adjustment and text layers, support for smart objects and adjustment layers, cross-platform compatibility, and layer-based editing for flexible image composition.
Pocket Paint is a paint editor that, among others, allows setting parts of pictures to transparent and zooming up to pixel level.
Free and open source photo editor supporting 21+ filters, multiple tabs for editing, undo and redo stack, device theme adaptation, cross-platform compatibility for Windows, Linux, and macOS, as well as a lightweight, user-friendly interface and transparent development.
Seashore is an open source image editor for Mac OS. It features gradients, textures and anti-aliasing for both text and brush strokes. It supports multiple layers and alpha channel editing. It is based around the GIMPs technology and uses the same native file format.
Luminance HDR is a graphical user interface (based on the Qt5 toolkit) that provides a complete workflow for HDR imaging.
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If you're used to Photoshop, GIMP will feel very unusual, since it has very different ways of doing things. That being said, its more than capable of keeping up with Photoshop on a technical level, and well exceeds Photoshop's abilities (if at the cost of intuitiveness) in my opinion