VengeanceUI ships landing page components as code you paste into your own app

The delivery model is copy and paste, not install and import

VengeanceUI is a component library for building landing pages and interfaces, and the defining decision is how components reach you. The project describes itself as a modern animated UI component library providing ready-to-use, copy-paste friendly components, and the repository README compresses the workflow into four words: Copy, Paste, Customize, Ship. There is no published npm package for the component set, and the root package.json is marked private, so nothing here is meant to be added as a dependency.

That choice has consequences. You receive the source of a component, and it becomes your source. The components are written for a specific stack: React, TypeScript, Tailwind CSS, Framer Motion and Next.js, with Vite also listed in the tech stack for development server and build tooling. The dependency list in the workspace package.json is heavy on Radix UI primitives, and it also pulls in GSAP via @gsap/react, three.js through @react-three/fiber and @react-three/drei, Paper Design shaders through @paper-design/shaders-react, embla-carousel-react and cmdk, plus class-variance-authority, clsx and @phosphor-icons/react.

So a copy-paste component arrives with an implicit dependency list. Adopting one animated block can pull a WebGL renderer into your bundle, and that is the trade the model makes: speed of assembly in exchange for dependency weight you now own.

What the components are actually for

The scope is landing pages, and the project is explicit about the audience: creators, startups, portfolios, SaaS pages and product launches. The list of things you can build includes landing pages, portfolio sections, SaaS hero sections, animated navigation bars, product showcases, feature sections, testimonials, interactive UI blocks and modern marketing websites.

That is a narrower target than a general component library, and it is a deliberate one. The stated motivation is that most UI libraries either feel too generic or require too much setup, and VengeanceUI positions itself on visual strength, ease of copying, ease of customisation, being animation ready and usefulness for real-world product pages.

The interface to VengeanceUI is a website at vengenceui.com, where components are browsed and copied. The repository is where the source lives, not where you install from. The distinction matters for how you adopt it: you are not adding a dependency, you are importing a pattern into your own codebase and owning it from that point on.

The repository is a Next.js workspace with its own scripts

Looking at the repository layout tells you what kind of project this is. The root holds next.config.ts, tsconfig.json, postcss.config.mjs, eslint.config.mjs, playwright.config.ts, a public directory, src, tests, docs, packages and a scratch_parser.js utility, plus .cursor, AGENTS.md and CLAUDE.md files. It is a working site repository, not a library source tree, and the packages/* workspaces array suggests the code is split across more than one package inside the monorepo.

The scripts in package.json show the local workflow. Development runs the Next.js dev server, the build runs next build, start runs next start, lint runs eslint over the project, the test script runs node --test against files in tests, and the end-to-end script runs Playwright:

"scripts": {
    "dev": "next dev",
    "build": "next build",
    "start": "next start",
    "lint": "eslint .",
    "test": "node --test tests/*.test.mjs",
    "test:e2e": "playwright test"
}

The engines field requires node ^22.13.0 || >=24.0.0, and the dependency versions are pinned with carets, so the pinned set of Radix UI and animation packages is what the components were written against.

Animation comes from Framer Motion, with GSAP and WebGL alongside

The motion story is layered. The README credits smooth, tasteful animations to Framer Motion, and the package dependencies add @gsap/react on top of it, so a single component set mixes two animation approaches. Three.js is also present, through @react-three/fiber and @react-three/drei, which is what makes 3D elements possible in a hero section rather than only in a separate canvas experiment. The shaders package from Paper Design adds further effects on top of that.

Every one of those is a runtime dependency of the site and, once you copy a component, a candidate dependency of your application. The pragmatic check before pasting anything is simple: does the component you want need 3D, and if so, is a WebGL bundle acceptable in the page where it lands? The dependency list makes that question answerable before you commit, which is the main advantage of publishing the package.json in the open.

Accessibility primitives come from Radix UI rather than being hand-built, and the presence of dialog, dropdown-menu, tooltip, accordion, tabs-adjacent primitives such as toggle-group, and navigation-menu entries means the interactive blocks are built on a well-known behaviour layer rather than on bespoke keyboard handling.

Copy-paste means no upgrade path and no versioned dependency

This is the honest limitation of the model, and it is not a documentation gap. A copied component is not tracked by your package manager, so there is no changelog to read when Radix UI changes an API, no patch release to pull, and no way to receive a fix for a bug in the component as published. If the maintainer fixes something in the repository, your copy does not change.

There is a related point about consistency. A component library enforces a shared set of tokens, variants and behaviour because every consumer gets the same implementation. A copy-paste collection gives you visual coherence only as far as the person copying maintains it. Two developers pasting two different hero sections from the same library can end up with different spacing, motion durations and breakpoint behaviour, because the design decisions live in the code rather than in a shared config.

The project does publish supporting infrastructure that partly addresses this. The repository includes Playwright configuration and a tests directory with a node --test suite, so components do have automated coverage in their own home. That coverage does not travel with the paste, though.

Sponsorship and the Vercel Open Source Program shape the project

VengeanceUI is backed by the Vercel Open Source Program and is tested with BrowserStack, and the README lists platform sponsors including Mintlify, Sentry, BrowserStack, Sarvam AI and the Vercel OSS Program. Community sponsorships at Diamond, Gold and Silver tiers display a name or logo on the project and its website, and the repository includes a docs/stripe-sponsorship.md guide for maintainers setting up that checkout.

The project has no GitHub releases, so there is no versioned release stream to point at, and the last push was on 2026-10-17. The licence is the MIT License, with the text in the LICENSE file, so copied components carry no attribution requirement beyond the licence notice. Contributions are welcome by issue or pull request, whether the change is a new component, a fix, a documentation improvement or a bug report.

The judgement on the sponsorship model is separate from the judgement on the code. Sponsored component libraries are common and nothing here is unusual about it, but the sponsorship tiers are also a signal about who the library is optimised for: people shipping a launch page, not teams running a design system across many products.

Editorial conclusion

VengeanceUI fits a team building a landing page, portfolio or SaaS hero section quickly and willing to own the copied code as part of its own repository, and it does not fit a product team that wants a versioned dependency it can upgrade and deprecate on a schedule. Before adopting it, check that your project already runs React with Tailwind CSS and Framer Motion, since the components are written against that stack rather than being framework neutral, and confirm the node version requirement of ^22.13.0 || >=24.0.0 declared in the workspace package.json before building anything locally.

Frequently asked questions

Official sources

1. Ashutoshx7/VengeanceUI on GitHub
2. Issues
3. License: MIT
4. Project website
5. README