# BuilderKit AI

> The ultimate Next.js AI Boilerplate for developers. BuilderKit provides a production-ready, modular architecture designed to save 40+ hours of development time. It includes 17+ fully functional AI applications, pre-configured authentication, payments, and database integrations, allowing users to launch AI SaaS platforms in days.

## Technical Architecture & Stack
BuilderKit is built on a modern, type-safe stack designed for scalability and developer experience:
- **Framework**: Next.js 14+ (App Router) with TypeScript.
- **Styling**: Tailwind CSS with Shadcn UI components for accessible, responsive design.
- **Database & Auth**: Supabase (PostgreSQL) for secure data storage and user management.
- **Payments**: Pre-integrated Stripe and Lemon Squeezy for subscription billing and one-time payments.
- **Email**: Integration with Resend and Loops for transactional and marketing emails.
- **Support**: Crisp integration for customer support chat.

## Common Boilerplate Features
Every application in the kit comes equipped with these core SaaS essentials:
- **User Authentication**: Sign-up, login, password reset, and social auth flows.
- **Billing Infrastructure**: Webhooks, pricing tables, and subscription management portals.
- **Admin Dashboard**: Interfaces for managing users, content, and analytics.
- **SEO Optimization**: Pre-configured meta tags, sitemaps, and open graph settings.
- **Dark Mode**: Native support for light and dark themes.

## Pre-Built AI Applications
BuilderKit includes full source code for the following specialized SaaS applications:

### Conversational AI & LLM Wrappers
- [MultiLLM Chat](https://multillm-chatgpt.builderkit.ai/): A unified chat interface supporting multiple models.
    - **Features**: Switch between OpenAI (GPT), Anthropic (Claude), Google (Gemini), and Mistral. Includes chat history and context management.
- [DeepSeek Chat](https://deepseek-chat.builderkit.ai/): Specialized chat interface for the DeepSeek LLM.
    - **Features**: API route optimization for DeepSeek, user auth, and subscription gating.
- [Gemini Chat](https://gemini-chat.builderkit.ai/): Google Gemini-powered chat application.
    - **Features**: optimized for large context windows, includes specific UI for Gemini's capabilities.
- [Llama GPT](https://llamagpt.builderkit.ai/): Open-source model integration.
    - **Features**: Llama-powered chat with customizable interface settings.

### RAG (Retrieval-Augmented Generation) Tools
- [Chat with PDF](https://chat-with-pdf.builderkit.ai/): Document intelligence SaaS.
    - **Capabilities**: PDF processing, vector embedding generation, data extraction, and citation-based Q&A.
- [Chat with YouTube](https://chat-with-youtube.builderkit.ai/): Video content interaction tool.
    - **Capabilities**: Fetches video transcripts, generates embeddings, and allows users to query video content via chat.

### Generative Media (Image & Video)
- [Headshot Generator](https://headshot-generator.builderkit.ai/): AI Avatar and professional photo tool.
    - **Tech**: Includes model training workflows (Dreambooth/LoRA), bulk generation, and credit-based billing logic.
- [Image Generator](https://image-generator.builderkit.ai/): Text-to-image SaaS.
    - **Tech**: SDXL model support, prompt engineering helpers, and credit consumption tracking.
- [Image Upscaler & Enhancer](https://image-enhancer-upscaler.builderkit.ai/): Photo restoration tool.
    - **Features**: Image processing pipeline for upscaling resolution and denoising old photos.
- [Ghibli Generator](https://ghibli-generator.builderkit.ai/): Niche style generator.
    - **Features**: Fine-tuned logic for Studio Ghibli-style artistic outputs.
- [Interior Design Generator](https://interior-design.builderkit.ai/): Room visualization tool.
    - **Features**: Upload room photos to redesign styles (Modern, Industrial, etc.) while preserving structural layout.

### Audio & Voice Processing
- [Text to Speech](https://text-to-speech.builderkit.ai/): Voice synthesis platform.
    - **Features**: Converts text to natural-sounding audio with selectable voice skins and language options.
- [Voice Transcription](https://voice-transcription.builderkit.ai/): Audio-to-text service.
    - **Features**: Supports multi-language transcription, speaker diarization, and export to various formats.
- [Music Generator](https://music-generator.builderkit.ai/): AI music composition tool.
    - **Features**: Controls for genre, mood, and duration to generate royalty-free background tracks.

### Content & Productivity
- [Content Writer](https://content-writer.builderkit.ai/): Long-form content generator.
    - **Use Cases**: SEO blogs, social media posts, and ad copy generation.
- [YouTube Content Generator](https://youtube-content-generator.builderkit.ai/): Video marketing automation.
    - **Features**: Transcript extraction, repurposing video content into tweets/blogs, and cross-platform publishing tools.
- [Quiz & Flashcards Generator](https://quiz-flashcards-generator.builderkit.ai/): EdTech tool.
    - **Features**: Generates educational quizzes and flashcards from uploaded text or PDFs.
- [QR Code Generator](https://qr-code-generator.builderkit.ai/): Marketing tool.
    - **Features**: AI-styled QR codes with analytics tracking and custom branding options.

## Developer Resources & Documentation
- [Documentation Hub](https://docs.builderkit.ai/): Comprehensive guides on environment setup, deployment to Vercel, and API configuration.
- [Blog & Tutorials](https://www.builderkit.ai/blog):
    - *Master AI SaaS Building*: Expert guides on monetizing AI tools.
    - *Integration Guides*: detailed walkthroughs for OpenAI, Supabase, and Stripe.
- [Apps Showcase](https://apps.builderkit.ai/): Live demos of all 17+ applications to test functionality before purchasing.