Build Complete Single-Page Applications in 5 Minutes

Katana-NextJS is a production-ready Next.js framework that simplifies and accelerates the development of beautiful single-page applications.

The framework ships with authentication flows, payment processing, and multilingual support pre-integrated. You can generate complete landing pages through AI prompts while maintaining full control over customizations via shadcn UI components.

GitHub Repo

Live Demo

Features

📝 One-Line Landing Page Generation: Produce complete, professional landing pages using a single prompt.

🔐 Authentication System: Offers ready-to-use login and user management.

💳 Payment Integration: Provides pre-configured payment processing with secure checkout flows.

🎨 Customizable Themes: Modify color schemes and UI elements to align with your brand.

🔥 Advanced Next.js Framework: Uses the latest technology, supporting both Vercel and Cloudflare deployment.

🌐 Built-in Internationalization: Comes with full support for multiple languages, including easy switching between English and Chinese.

📚 Comprehensive Content Platform: Includes an admin dashboard, a blog system with markdown support, and built-in SEO tools.

Use Cases

SaaS Product Launch: A startup can quickly deploy a fully functional SaaS application. Katana-NextJS provides user authentication, payment processing, and a content management system.
Online Course Platform: Educators can create a platform to host and sell online courses. The framework’s built-in blog and internationalization support facilitate content delivery and audience reach.
Marketing Website: Businesses can use the one-line landing page generation to quickly create and test marketing campaigns.
E-commerce Site: Developers can build an online store. Katana-NextJS’s payment integration simplifies the setup of transaction processing.
Community Portal: Organizations can build a community portal with user authentication and a blog system.

Installation

Clone the repository: git clone https://github.com/scottcwy/Katana-NextJS.git
Install dependencies: pnpm install
Run the development server: pnpm dev

Usage

Authentication: Enable authentication providers in your .env file. For example, to enable GitHub authentication: NEXT_PUBLIC_AUTH_GITHUB_ENABLED="true"
Payment Integration: Set up payment processing by configuring your Stripe keys in the .env file: STRIPE_PUBLIC_KEY="your_stripe_public_key" STRIPE_PRIVATE_KEY="your_stripe_private_key"
Admin Dashboard: set up authentication and then, you can Access the admin dashboard at /admin.

To customize the theme:

Go to the shadcn UI Theme Generator.
Adjust colors, border radius, and fonts.
Click the “Copy” button.
Paste the CSS code into src/app/theme.css.
Save and view changes. You can also change the i18n JSON file to modify the content.

Related Resources

Shadcn UI: A collection of reusable components that you can use in your Next.js applications. Shadcn UI
Vercel: A platform for deploying Next.js applications. Vercel
Cloudflare Pages: An alternative platform for deploying web applications. Cloudflare Pages

FAQs

Q: How does the “One-Line Landing Page Generation” feature work?
A: The feature leverages AI capabilities integrated with the framework. In an AI editor like Cursor or Windsurf, you can modify the i18n JSON files with a specific prompt, and the framework will generate a complete landing page based on your instructions.

Q: Can I use Katana-NextJS for projects that require complex state management?
A: Absolutely. Being built on Next.js, you can integrate state management libraries like Redux or Zustand. The framework’s structure accommodates extension with additional libraries.

Q: What payment processors work besides Stripe?
A: The codebase includes Stripe SDK integration. Replacing it requires modifying /components/checkout and server actions.