The best open source alternative to GIMP is Graphite. If that doesn't suit you, we've compiled a ranked list of other open source GIMP alternatives to help you find a suitable replacement. Other interesting open source alternative to GIMP is Krita.
GIMP alternatives are mainly Design & Prototyping Tools but may also be UI/UX Design Tools. Browse these if you want a narrower list of alternatives or looking for a specific functionality of GIMP.
Free open-source vector editor with nondestructive node-based workflow. Create graphics procedurally with infinite scalability. Runs in browser, exports SVG/PNG/JPG.

Graphite revolutionizes digital design with its unique procedural approach to vector graphics creation. This free, open-source editor combines traditional layer-based compositing with powerful node-based generative design, offering a completely nondestructive workflow that lets you iterate rapidly and make changes at any stage.
Key Features:
What sets Graphite apart is its game engine-like architecture that treats artwork as programmable node graphs. This means you can parametrically adjust designs, morph between different states, and build reusable content pipelines. Whether you're scattering objects, blending color schemes, or creating complex patterns, everything remains editable through intuitive controls.
Currently in alpha, Graphite is evolving into an all-in-one creative suite with planned features for raster editing, animation, desktop publishing, and collaborative workflows. Desktop apps for Windows, Mac, and Linux are coming in Q4 2025, while the web version provides immediate access from any device.
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.