SimpleChat — AI Chatbot Builder Platform

Build, customize, and deploy AI-powered chatbots in minutes

SimpleChat is a full-stack platform that lets anyone build, customize, train, and deploy AI-powered chatbots on their website with a single script tag. Upload your data, tailor the behavior, and launch a smart assistant in minutes — no coding required.

Features

Core Functionality

• AI Chatbot Creation: Build custom chatbots with personalized instructions, tone, and language settings
• Knowledge Base: Upload documents (PDF, DOCX, TXT, Excel) and websites to train your chatbots
• Real-time Chat: Instant messaging powered by WebSocket connections
• Customizable Widget: Embeddable chatbot widget with full styling customization (colors, border radius, dark mode)
• Multiple AI Models: Support for various OpenAI models (GPT-4, GPT-4o-mini, etc.)

Advanced Features

• Human Handoff System: Seamlessly transfer conversations from AI to human agents
• Workspace Collaboration: Multi-user workspaces with role-based access control
• Analytics Dashboard: Track conversations, messages, user engagement, and performance metrics
• Conversation Management: View, search, and manage all conversations with filtering and pagination
• Document Management: Upload, process, and manage knowledge base documents
• Website Crawling: Automatically crawl and index website content for chatbot knowledge
• Credit System: Usage-based credit system with subscription plans
• Real-time Updates: WebSocket-powered real-time dashboard updates

User Experience

• Modern UI: Built with Next.js, React, and Shadcn UI components
• Responsive Design: Fully responsive interface that works on all devices
• Dark Mode Support: Customizable dark mode for chatbot widgets
• Message Feedback: Like/dislike feedback system for continuous improvement
• Conversation History: Persistent conversation history with client UUID tracking

Technologies Used

Frameworks & Languages

• Python & FastAPI for backend logic and API management
• Next.js & TypeScript for the frontend application
• LangChain & LangGraph for AI orchestration and agent workflows
• Tailwind CSS & Shadcn UI for responsive and consistent UI design

Databases & Storage

• PostgreSQL with SQLModel ORM for structured data storage
• Pinecone as vector database for embeddings and semantic search
• Redis for task queue management with Celery

AI & Machine Learning

• OpenAI API (GPT-4, GPT-4o-mini) for language model inference
• LangChain-Pinecone for vector store integration

Authentication & Security

• JWT tokens with bcrypt password hashing

File Processing

• PyPDF2 for PDF parsing
• python-docx for Word document processing
• openpyxl for Excel file handling
• BeautifulSoup4 for HTML parsing and web scraping

Infrastructure & Tools

• WebSockets via native FastAPI support for real-time communication
• Alembic for database migrations