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Algorithms you can see, interfaces you can ship.

Watch every algorithm run step by step — free, with the code and a quiz. Then build with our components, templates and animations.

Component01 / 14

Magnify Dock

A frosted-glass dock whose icons swell under the pointer while their neighbours glide aside

Free
Try it live

Three ways in

Pick the size of the piece you need.

Free to download

Real products, not demos. Take them, ship them.

See all free
  • AnimationSorting

    Bubble Sort Animation

    The interactive version of the short video: bars that cross when they swap, a sorted tail that grows, and the early exit

    Free
  • AnimationData structures

    Union-Find Animation

    A glowing forest where groups merge and paths flatten: Union-Find with union by size and path compression, ready for your lessons, slides and posts

    Free
  • ComponentCard

    Spotlight Card

    Frosted-glass cards lit by a soft light that follows the pointer — and spills across the grid

    Free

Hand-picked

Why build with us

  • Try it live before you buy

    Every product runs right on its page. Switch between phone, tablet and desktop frames to see how it behaves.

  • Pay once, use it forever

    No subscription. Use it in personal and client projects, as many as you like.

  • Real source, drop it in

    Plain HTML / CSS / JS and React builds, with notes for Next.js. Nothing to lock you in.

  • Free updates for life

    Fixes and new features land behind the same download, which always serves the latest version.

Just released

  • AnimationSorting

    Bubble Sort Animation

    The interactive version of the short video: bars that cross when they swap, a sorted tail that grows, and the early exit

    Free
  • AnimationData structures

    Union-Find Animation

    A glowing forest where groups merge and paths flatten: Union-Find with union by size and path compression, ready for your lessons, slides and posts

    Free
  • TemplatePortfolio

    Halation — Studio Portfolio

    A one-page portfolio for design and motion studios, with a headline that glows like light on film

    $4.90
  • ComponentCard

    Spotlight Card

    Frosted-glass cards lit by a soft light that follows the pointer — and spills across the grid

    Free
  • AnimationSorting

    Sorting Race

    Six sorting algorithms race side by side on the same data — one operation per tick, medals at the finish

    Free
  • ComponentText effects

    Scramble Text

    A hacker-style decode for headlines, links and buttons — characters flicker through glyphs and lock in one by one

    Free

Learn by watching

Free algorithm explainers: a short video, the code, and a quiz.

See all algorithms visualized

Medium · O(n log n) avg, O(n²) worst

Quick Sort

Pick a pivot, push smaller values left and bigger values right, then sort each side the same way. In-place quick sort with Hoare partition, a median-of-three pivot and an O(log n) stack.

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