Kupola core reactivity engine — Signal, computed, effect, batch.

A small addon to help declare dynamic (or indirect) computed properties.

MobX-like computed between channels

Cross-browser currentStyle/getComputedStyle implementation

An Ember.js computed property macro for grouping objects by a given property.

A computed form

A plugin to declare deep computed dependencies with ability to watch recursively for changes

Computed properties, watchers, middleware chaining and more for Zustand stores

Computed reactive data flows with automatic dependency tracking, async support, and parameterized computations. Built on TypeScript Interface Proposals (TSIP) for seamless compatibility.

Get an element's computed style for the provided CSS property.

Adds computed parameters to schm schemas

Computed property implementation of `Ember.Array.sortBy`.

A mixin which allows component HTML dimensions (width, height, x and y positions) to be used in computed properties

PDF renderer for Geometra — consumes computed geometry and produces PDF output

Roblox-accurate UI layout for loom, computed by a Rust/WASM engine.

Catch every CSS change before it ships — review PRs and certify refactors by the browser's computed styles, not pixels. Works with any styling system.

Computed properties for your models that's equivalent to your store's query functions

Make $refs reactive so they can be used in computed properties and watchers

Fine-grained reactivity with signals, computed values, and effects (includes core + extensions)

Provides an observable interface for a computed promise.