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Zumly

a library for building zooming user interfaces

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HN · launched Apr 3, 2026 · 5 upvotes (top 89%) · 0 views

Niche: ui components and design tools · 168 launches, 10 in the last 7 days ▼ -23% · Explore this niche →

Category and tags
  • Horizontal
  • Dev tools
  • Developer
  • Not AI
  • Hobby / open-source project

Visit website ↗ Source listing ↗

More like this: all 168 launches in ui components and design tools →

Could you build this?

Partial While basic CSS zoom/pan effects can be vibe-coded, an infinite canvas Zooming User Interface (ZUI) library requires sophisticated matrix transformations, spatial indexing (R-trees), and virtualized DOM/WebGL rendering.

What it would actually take: Building a performant ZUI library requires TypeScript and Canvas/WebGL or hardware-accelerated CSS 3D matrix math. The hardest components are managing spatial hierarchies (viewports within viewports), maintaining 60 FPS transitions during deep recursive zooms, and handling user event coordinate mapping across nested coordinate systems.

Discussion

3 comments analyzed.

Competitors mentioned: Home Assistant API, Zircle UI, Custom cards (HA ecosystem)

Concerns raised: Rough edges remain in the product, API clarity and usability for developers

Feature requests: Release as official Home Assistant custom card, Improve interaction model feedback

Competitors

Other products that read as similar to this one : 3955 launches clear the similarity bar, closest 8 shown.

Attention rank: #3573 of 3956 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 156 days after the earliest competitor.

  • phantomat · github · 2026-09-24 · 193 upvotes · similarity 0.65
  • interfaces-that-think · github · 2026-09-28 · 15 upvotes · similarity 0.63
  • Zen Mode · hn · 2026-07-12 · 30 upvotes · similarity 0.61
  • synth-ui · github · 2026-10-06 · 22 upvotes · similarity 0.61
  • sanity · github · 2026-09-21 · 57 upvotes · similarity 0.60
  • MacViewer · github · 2026-10-17 · 165 upvotes · similarity 0.60
  • mayonnaise · github · 2026-10-10 · 46 upvotes · similarity 0.59
  • SlideScroll · github · 2026-10-22 · 13 upvotes · similarity 0.59

Related data

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.