The best open source alternative to Photoshop is Graphite. If that doesn't suit you, we've compiled a ranked list of other open source Photoshop alternatives to help you find a suitable replacement. Other interesting open source alternatives to Photoshop are: Krita and GIMP.
Photoshop alternatives are mainly Design & Prototyping Tools but may also be Online Design Tools or Whiteboarding Tools. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Photoshop.
A free, open source vector graphics editor built around nondestructive, node-based design. Runs locally in the browser, exports SVG, PNG, and JPG.

Graphite is a free, open source vector and procedural graphics editor that runs entirely in your browser without requiring an account or installation. It's aimed at designers who want a nondestructive workflow, where every creative decision stays editable through parameters rather than being baked in permanently.
Unlike most online design tools, Graphite is built around a node graph at its core. Instead of drawing shapes and committing to them, you build systems of nodes that generate and transform artwork procedurally. Want your scattered circles denser? Drag a slider. Want a different fill pattern? Swap a node. Nothing is destructive by default.
Key capabilities include:
Graphite is built with WebAssembly and WebGPU, which gives it performance closer to a native app than a typical browser tool. It's architecturally more like a game engine than a conventional creative app.
Desktop apps for Windows, Mac, and Linux are in late development, but the browser version is already functional and kept current. The project is in alpha, so some planned features like raster editing, live collaboration, and standalone program compilation from node graphs aren't available yet.
For designers tired of jumping between a vector editor, a compositing tool, and a generative design environment, Graphite is building toward a single app that handles all of it. It's a credible open source alternative to tools like Penpot for those who want procedural depth over a traditional layer-based approach.
Looking for open source alternatives to other popular services? Check out other posts in the alternatives series and openalternative.co, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.
Free and open source painting program built by artists for artists. Features professional brushes, layers, animation tools, and drawing assistants for all skill levels.

Professional-grade digital art creation without the price tag. This free and open source painting program delivers everything artists need to bring their creative visions to life, from concept sketches to finished masterpieces.
Comprehensive toolset for every artistic style:
Expand your creative possibilities with extensive community resources including custom brushes, texture packs, patterns, and plugins that add new functionality. The active artist community provides ongoing support, feedback opportunities, and inspiration through shared artwork and tutorials.
Built by artists, for artists - this GNU GPL licensed project remains forever free and continuously evolves based on real artist needs. Whether you're a beginner exploring digital art or a professional illustrator, the intuitive interface and powerful features adapt to your workflow and skill level.
Free, open-source image editor with professional tools for photo manipulation, digital art creation, and graphic design. Cross-platform support.

GIMP is a powerful, free alternative to expensive image editing software that delivers professional-grade results. This cross-platform editor runs seamlessly on GNU/Linux, macOS, Windows, and other operating systems, making it accessible to everyone.
Perfect for multiple creative disciplines: Whether you're a graphic designer crafting logos, a photographer retouching portraits, an illustrator creating digital art, or a scientist processing research images, GIMP provides sophisticated tools to match your workflow.
Key capabilities include:
Professional workflow integration features top-notch color management for consistent reproduction across digital and print media. The software integrates beautifully with other open-source tools in desktop publishing workflows.
Extensive customization through plugins, scripts, and community-created extensions means you can tailor GIMP to your specific needs. The active development community continuously adds new features and improvements, ensuring this free tool stays competitive with premium alternatives.