Sleeve
Design the window that says “drag to install.”
Sleeve launched on June 20, 2026 with 5 votes, #2,466 of 22,646 launches that month and more than 75% of that year's launches.
What it does
Sleeve is the macOS design tool for your DMG install window: arrange icons, set a background, add arrows and stickers, then build a signed disk image. Free to design, one-time license to build.
Sleeve is the macOS design tool for your .dmg install window: arrange icons, set a Retina background, add arrows and stickers, then build a signed disk image. Free to design — one-time license to build.
When you download a Mac app, a window opens asking you to drag its icon into Applications. Sleeve is the design tool for that window — arrange the icons, set a background, add arrows and stickers, then ship a signed .dmg that looks like you meant it. The window that opens when someone mounts your disk image is the first thing they see. Sleeve gives it the attention it never got. What you design is exactly what opens. Sleeve renders the real Finder window: icon spacing, label position, background. No surprises when someone mounts your image. Position your app and the Applications alias on a snapping grid. Nudge to the pixel, or let Sleeve align it for you. Hand-drawn arrows, geometric…from sleeve.squareone.nl
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