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Entropy UI

Open source · shadcn registry

A component library for the screens teams live in.

An open-source React component library on shadcn/ui, for data-dense product UI: issue lists, inboxes, tables, charts and AI interfaces. Install what you need, own the code, retune the look at runtime.

Browse components Read the docs
$pnpm dlx shadcn@latest add …

Free and open source. No runtime to install.

Saved views lose sort order after reloadMC
Add keyboard shortcuts to the data tableDP
Log viewer: pause when the tab is hiddenSR
Dark theme: raise contrast on faint textJW
Document the registry namespace setup
Ship the appearance settings panelAO
Live components. ui/issue-list.tsx
Built onshadcn/uiRadixTailwind v4React 19TanStack Start

01 / The library

Building blocks for real product screens.

Lists and tables.

Issue lists, data tables and filter bars with grouping, selection and keyboard navigation. Dense by default.

Saved views lose sort order after reloadMC
Add keyboard shortcuts to the data tableDP
Log viewer: pause when the tab is hiddenSR
Dark theme: raise contrast on faint textJW
Document the registry namespace setup
Ship the appearance settings panelAO
Browse list components

Dashboards and data.

Charts, metrics, sparklines and status rows for dashboards and monitoring screens.

Browse data components

Interfaces for AI.

Tool calls, reasoning, plans and terminal output: components for building agent and chat products.

The failing test builds a table with a hidden column. I need to check how sortRows treats missing accessors before changing the comparator.
Plan1/3
  1. Reproduce the failing sort test
  2. Handle missing accessors in sortRows
  3. Run the data-table test suite
✓ renders rows
✓ selects all
FAIL sorts by hidden column
expected 'api' but received 'billing'
exit code 1
Browse AI components

02 / Messaging

Message threads, ready to drop in.

Thread, composer and conversation list components with internal notes, events and reply modes. Compose them into an inbox or a chat, or use each one on its own.

See the message components
PN
Our CSV export keeps timing out for projects with more than 50k rows. It worked fine last week.
Priya Nair· 2:14 PM
Conversation assigned to Maya Chen
MC
Thanks Priya. Exports over 50k rows now run in the background, and you'll get an email with a link in a few minutes.
Maya Chen· 2:16 PM· Seen
Internal note · Maya Chen2:17 PM
Export queue is backed up since the 2:00 deploy. Linked STR-214.
PN
Perfect, thank you.
Priya Nair· 2:18 PM
↵ send⇧↵ new line
Paper
macOS Dark
Darcula
Nord
Dracula
Tokyo Night

03 / Yours to retune

Make it look like your product.

Every component follows the same tokens: themes, heading and body fonts, density, corner radius, even sidebar style. Open the theme menu in the header and try it on this page.

Read the theming guide

04 / Add, own, retune

From install to shipped, with nothing in between.

01

Add

Install with the shadcn CLI. It lands in your repo as plain source.

pnpm dlx shadcn@latest add …/r/issue-list.json
02

Own

Read it, change it, delete what you don't need. There is no package to upgrade.

src/components/ui/issue-list.tsx
03

Retune

Theme, fonts, density, radius and sidebar style are tokens. Change them at runtime.

<html data-theme="nord" data-density="compact">

Start with one component.

Add the tokens, then anything else you need. It all stays in your repo.

Install Entropy UISee examples