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openui5: Build Enterprise‑Grade Web Apps that Run Anywhere

OpenUI5 lets founders create responsive, enterprise‑ready web applications that work on any device and browser. Ideal for JavaScript teams seeking a proven open‑source UI framework. 3.3k+ GitHub stars.

From the repo · “OpenUI5 lets you build enterprise-ready web applications, responsive to all devices, running on almost any browser of your choice.”

intermediate⏱ 1-2 hours💵 Free
3,320 stars+1★ this week1,274 forksJavaScriptGuide quality 9/10 · reviewed Oct 9Updated 10/22/2026100% free · open source
What it is

Builds enterprise-ready web apps that run on almost any browser.

Real use case example

"A founder, Alex, needs to build a custom e-commerce platform for his company. Alex uses OpenUI5 to create a dynamic product catalog, then integrates it with their existing Amazon product feed. After setting up the catalog, Alex configures the app's layout to work on both desktops and mobile devices. Now customers can easily browse and purchase products through Alex's new platform."

Best insideClaude Desktop
When to use it
  • •When you need to build enterprise-ready web applications with a responsive design
  • •When you want to create web applications that can run on multiple browsers and devices
  • •When you need a framework that provides a robust set of features for building complex web applications
Ready-to-paste prompt
openui5 create myapp --type basic --namespace myapp
Heads up: Make sure you have Node.js (14 or higher) installed on your system before installing OpenUI5, as it is required for the openui5-cli to work
Saves to your device
Use with Claude
New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

✅ Light setup

Installs with a command or two; your AI agent can do it for you.

Try it instantly — no install
Claude Code
mkdir -p ~/.claude/skills/openui5 && curl -fsSL https://workflowstacks.com/api/skills/openui5/claude-skill -o ~/.claude/skills/openui5/SKILL.md
Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)
claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How openui5: Build Enterprise‑Grade Web Apps that Run Anywhere works
Codeflow
Free to inspect

Openui5: Build Enterprise‑Grade Web Apps that Run Anywhere is a very large JavaScript project (~1.2M+ lines across 4004 code files, plus 8685 test files). Setup is light: installs like a normal app. Reading the code is optional. Last commit this month, Apache-2.0 license, has a test suite.

Size
Very large codebase
~1.2M+ lines · 4004 code files · days to read — use, don't read · partial scan
Setup
One-command install
Installs like a normal app. Reading the code is optional.
Runs on
Node.js
No API keys detected
JavaScript 86%Less 11%HTML 3%
Where to start reading
  1. 1
    README.md
    Start here — what it does and how to install it
  2. 2
    AGENTS.md
    The instructions the AI actually follows
  3. 3
    package.json
    Dependencies and the commands it exposes
  4. 4
    src/sap.f/README.md
    Inside src/ — the main logic begins here
What's in each folder
src/Core code — the actual logic41160 files
lib/Core code — the actual logic108 files
docs/Documentation14 files
grunt/Folder20 files
LICENSES/Folder7 files
.claude/Editor / agent settings6 files
.github/CI / automation (GitHub Actions)4 files
READMEHas testsDocumentedNo CIApache-2.0 licenseUpdated this month
Quick Actions
Details
Creator
UI5
Language
JavaScript
Category
local-ai
Published
12/10/2013

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Featured on WorkflowStacks
[![Featured on WorkflowStacks](https://workflowstacks.com/api/badge/openui5.svg)](https://workflowstacks.com/skills/openui5?utm_source=github&utm_medium=badge)
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Do this with a working workflow

Pages we wrote and tested that put a skill like this to work — importable n8n templates, outcome guides and Claude Desktop configs.

Free n8n template

AI Product Description Writer

Turn a Google Sheet of product names + features into polished, conversion-focused descriptions — in bulk.

Outcome guide

Automate your product descriptions with AI

You keep your products in a Google Sheet. The workflow reads each one, writes a benefit-led description in a consistent brand voice, and saves it back — for your whole catalog at once. You review and publish.

MCP config

Puppeteer (browser) MCP config

Let Claude control a headless browser — navigate, screenshot, scrape.

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