Seashore

Free open-source image editor for macOS based on GIMP technology

About Seashore

Seashore is a free and open-source image editor for macOS built with Cocoa on top of GIMP's technology, designed to be simpler than GIMP while still offering layers, gradients, brushes, textures and a selection of effects. It reads and writes common formats including JPEG, PNG, TIFF and its native XCF for exchanging files with GIMP.

Seashore website preview

Live preview of seashore.sourceforge.net via the WordPress mShots service — it can take a few seconds to generate on a first visit.

Seashore: strengths & things to check

Strengths

Completely free to use — this directory lists no paid plan for it.
Covers image editor, macos, gimp based, open source — see the focus areas listed in its key facts.
Has 6 close alternatives in the same category on this page, so switching or comparing is easy.

Things to check

Free tools can change their model or shut down — avoid locking critical work into it without an export path.
Current plan prices are not listed here (they change too often to print reliably) — confirm the exact price on the official site.
It is one of 626 tools in the Design & Creative category here — compare it against the alternatives below before you commit.

Derived from this listing's own data (pricing model, focus areas and category) — not a hands-on review score.

Seashore pricing

Pricing model	Free — listed in this directory as a free tool, with no paid plan required to use it.
Free access	Yes — fully free
Current plan prices	Listed on the official site — prices change, so this directory links out instead of printing a number that may already be stale.
Official site	seashore.sourceforge.net

Seashore key facts

Category: Design & Creative
Pricing: Free — listed in this directory as a free tool, with no paid plan required to use it.
Focus areas: image editor, macos, gimp based, open source
Official site: seashore.sourceforge.net

Seashore FAQ

How much does Seashore cost?

Free — listed in this directory as a free tool, with no paid plan required to use it. Current plans and prices are listed on the official site (seashore.sourceforge.net).

What is Seashore used for?

Free open-source image editor for macOS based on GIMP technology Its focus areas in the Design & Creative category: image editor, macos, gimp based, open source.

Where can I try Seashore?

On its official site, seashore.sourceforge.net — the Visit Official Site button above goes straight there.

Seashore vs alternatives

	Seashore	Acorn	FotoGrafix	GIMP
Pricing	Free — listed in this directory as a free tool, with no paid plan required to use it.	Paid — this directory does not list a free tier for it.	Free — listed in this directory as a free tool, with no paid plan required to use it.	Free — listed in this directory as a free tool, with no paid plan required to use it.
Focus areas	image editor, macos, gimp based, open source	image editor, macos, photo editor, one time purchase	image editor, portable, lightweight, open source	image editor, photo, open source
Official site	seashore.sourceforge.net	flyingmeat.com	lmadhavan.com	gimp.org
Directory status	Listed	Listed	Listed	Listed

Side-by-side from each listing's own directory data. Full alternative cards are below.

About the Design & Creative category

Design tools for interfaces, graphics, websites, and creative work. The Design & Creative category on Tools Hub currently lists 626 tools. Alongside Seashore, it includes PhotoDemon, Artweaver, Hornil StylePix, Pencil Project.

FreeDesign & Creativeimage-editormacosgimp-basedopen-source

Alternatives to Seashore

Tools in the same Design & Creative category that share focus areas with Seashore — worth comparing before you commit:

Design & Creative

Acorn

Full-featured Mac image editor sold once, no subscription

Paidimage-editormacosphoto-editorone-time-purchase

Design & Creative

FotoGrafix

Tiny free and open-source image editor for Windows

Freeimage-editorportablelightweightopen-source

Design & Creative

GIMP

Cross-platform image editor for photo retouching, composition and graphic design

Freeimage-editorphotoopen-source

Design & Creative

miniPaint

Free MIT-licensed online image editor that runs in the browser

Freeimage-editoronline-editorlayersopen-source

Design & Creative

Pixelitor

Free open-source image editor with more than 110 filters

Freeimage-editorphoto-editorlayersopen-source

Design & Creative

99designs

The design contest marketplace for branding

Paidgraphic-designbrandingimage-editordesign-tools

More in Design & Creative

Comparing tools in the Design & Creative category? These related listings are worth a look: PhotoDemon — Portable photo editor that is 100% free and 100% open source; Artweaver — Painting program with a free edition and an expanded Plus edition; Hornil StylePix — Free lightweight photo editor with a Pro edition for Windows.