Just Chat is an open-source chat application that connects to any large language model via API keys, providing a self-hosted web UI. It features conversational memory, file upload support, plugin integration for external tools, and customizable prompts. Its modular architecture allows developers to extend functionality, adjust UI components, and manage multiple model types in one interface.
AI Platforms & Frameworks
Web Tools
#self-hosted chat
#Language model integration
#contextual Q&A
#API support
#memory in conversations
#Plugin-System
#file attachments
#custom chat templates
#Responsive Design
#AI Chatbot
#open-source software
#no vendor lock-in
#easy deployment
#modular architecture
#User-friendly interface
#Multi-Turn Dialogues
#data privacy
#virtual assistants
#development tools
#customer support solutions
...
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Just Chat
Just Chat is an open-source chat application that connects to any large language model via API keys, providing a self-hosted web UI. It features conversational memory, file upload support, plugin integration for external tools, and customizable prompts. Its modular architecture allows developers to extend functionality, adjust UI components, and manage multiple model types in one interface.
AI Platforms & Frameworks
Web Tools
#self-hosted chat
#Language model integration
#contextual Q&A
#API support
#memory in conversations
#Plugin-System
#file attachments
#custom chat templates
#Responsive Design
#AI Chatbot
#open-source software
#no vendor lock-in
#easy deployment
#modular architecture
#User-friendly interface
#Multi-Turn Dialogues
#data privacy
#virtual assistants
#development tools
#customer support solutions
...
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What is Just Chat?
Just Chat delivers a complete self-hosted chat interface for interacting with large language models. By inputting API keys for providers like OpenAI, Anthropic, or Hugging Face, users can start multi-turn conversations with memory support. The platform enables attachments, letting users upload documents for context-aware Q&A. Plugin integration allows external tool calls such as web search, calculations, or database queries. Developers can design custom prompt templates, control system messages, and switch between models seamlessly. The UI is built using React and Node.js, offering a responsive web experience on desktop and mobile. With its modular plugin system, users can add or remove features easily, tailoring Just Chat to customer support bots, research assistants, content generators, or educational tutors.
Who will use Just Chat?
- Developers building AI chatbots
- Product teams prototyping conversational interfaces
- Researchers requiring LLM-based Q&A
- Startups deploying self-hosted AI assistants
- Educators creating tutoring bots
How to use the Just Chat?
- Step1: Clone the repository from GitHub.
- Step2: Install dependencies with npm or yarn.
- Step3: Configure environment variables including your LLM API keys.
- Step4: Run the backend server with npm start.
- Step5: Launch the React frontend with npm run dev.
- Step6: Access the web UI at http://localhost:3000 and begin chatting.
- Step7: Install or configure plugins via the plugins directory.
- Step8: Customize prompt templates and memory settings in config files.
Platform
- web
- mac
- windows
- linux
Just Chat's Core Features & Benefits
The Core Features
- Multi-model LLM support via API keys
- Conversational memory and session history
- File upload and context-aware Q&A
- Plugin integration for external tools
- Customizable prompt templates and system messages
- Responsive React-based UI
The Benefits
- Fully open-source and self-hosted
- Modular architecture for easy extension
- No vendor lock-in—use any LLM provider
- Lightweight and easy to deploy
- Supports advanced tool calls and workflows
Just Chat's Main Use Cases & Applications
- Customer support chatbot prototypes
- Knowledge base and document Q&A assistants
- Content generation and brainstorming sessions
- AI-powered tutoring and educational bots
- Research and data exploration interfaces
FAQs of Just Chat
Just Chat Company Information
- longevity-genie
Just Chat Reviews
5/5
Just Chat's Main Competitors and alternatives?
- LangChain Chat UI
- Chatbot UI by Yoheinakajima
- Microsoft Bot Framework
- Botpress
- Rasa
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