Chat UI

MaxKB is an open-source knowledge base Q&A and agent building platform powered by LLMs, with vector retrieval, workflow orchestration, and multi-model support out of the box.

Flexible and powerful framework for managing multiple AI agents and handling complex conversations.

An MCP-based open-source chatbot for ESP32 embedded devices, supporting voice interaction, multi-model integration, and IoT control for building smart hardware agents.

The most powerful AI agent and AI chat software on Android. Supports local LLM execution, terminal operations, file management and more.

An AI-powered custom node for ComfyUI that enhances workflow automation through natural language interaction, with intelligent node recommendations and parameter configuration.

Framework for AI agents to build and maintain an Obsidian wiki using Karpathy's LLM Wiki pattern.

The Cradle framework is a first attempt at General Computer Control (GCC). Cradle supports agents to ace any computer task by enabling strong reasoning abilities, self-improvment, and skill curation, in a standardized general environment with minimal requirements.

Chatbox is a powerful cross-platform AI client supporting OpenAI, Claude, Gemini, and other LLMs with desktop and mobile apps.

Python framework for building production-grade conversational AI interfaces with multimodal support, file uploads, intermediate step visualization, and agent workflow display.

NextChat is a lightweight, cross-platform AI assistant client supporting GPT-4, Claude, Gemini and more, with Web, desktop, and mobile experiences.

Cherry Studio is an AI productivity studio with smart chat, autonomous agents, and 300+ assistants, providing unified access to frontier LLMs.

Kotaemon is an open-source RAG-based tool for chatting with your documents, featuring a clean chat interface and support for multiple LLM and embedding model backends.

The Frontend Stack for Agents & Generative UI. React + Angular component library, makers of the AG-UI Protocol, enabling AI agents to work directly in application UIs.

ChuanhuChatGPT is a lightweight GUI for ChatGPT API and many LLMs, supporting agents, file-based QA, web search, and GPT finetuning with a neat UI.

II-Agent: a new open-source framework to build and deploy intelligent agents.

Witsy: desktop AI assistant and universal MCP client that connects to multiple AI models and tool services via the Model Context Protocol.

AnythingLLM is an all-in-one AI productivity app with a self-hosted chat UI, RAG knowledge base, AI agents, and multi-model management, privacy-first with zero configuration.

An autonomous novel writing AI agent where multiple agents write, audit and revise novels with human review gates for quality control.

Elegant lightweight AI chat client with multi-workspace, plugin system, cross-platform sync, Artifacts, and MCP support — local first

Talk to your Mac, query your docs, no cloud required. On-device voice AI with RAG for private, local voice assistant experience.

A desktop app providing a graphical interface for OpenClaw AI agents — turns CLI-based AI orchestration into a desktop experience without using the terminal.

A ChatGPT web client supporting multiple users, languages, and database connections for persistent storage. Provides Docker images and quick deployment scripts.

Agents-flex is A Lightweight Java AI Application Development Framework.

Common interface for interacting with AI agents. The protocol is tech stack agnostic - you can use it with any framework for building agents.

ChatALL lets you concurrently chat with ChatGPT, Bing, Bard, Claude, ChatGLM, and many more LLMs to discover the best answers through side-by-side comparison.

The UI design language and React library for Conversational UI by Alibaba, providing complete chat interface components for building customer service and conversational applications.

An AI-powered research assistant web UI that performs iterative, deep research on any topic by combining search engines with LLM reasoning.

🤖 AI-native Visual Analytics framework build for agents.

🌊 AChat - An open-source/self-hosted/local-first AI platform, designed for enterprises and teams, perfectly combining powerful local processing capabilities with seamless remote synchronization.

TypeScript/React component library for building AI chat interfaces with customizable, production-ready UI components supporting multiple AI providers.

An AI Agent assistant that integrates multiple IM platforms, LLMs, plugins and AI features, supporting QQ, Telegram, Discord and more.

A lightweight, cross-platform code editor built with Tauri (Rust and React) with Git support, AI agents, and vim keybindings.

An AWS sample project demonstrating how to build enterprise-grade chat applications with Amazon Bedrock, including conversation UI, RAG integration, and multi-model support.

Conversational voice AI agents platform for building natural language phone interactions with multilingual speech synthesis and real-time dialogue management.

An open-source chatbot and AI agent development platform with visual bot editor, NLP, and deep learning integration for multi-platform deployment.

An open-source chatbot and AI agent development platform with visual bot editor, NLP, and deep learning integration for multi-platform deployment.

Botpress is an open-source conversational AI platform with a visual flow editor, knowledge base integration, multi-channel deployment, and GPT/LLM agent building capabilities for enterprise chatbot development.

An open-source enterprise-level AI knowledge base and MCP management platform with integrated knowledge retrieval, model management, and agent chat for enterprise AI applications.

A better chatbot platform powered by Agent, MCP, and Workflows. Supports multi-model integration, visual workflow orchestration, and low-code configuration.

Chainlit is an open-source UI and development framework for LLM and agent chat applications, enabling fast delivery of interactive assistants.

An open-source platform for building AI chatbots and automated assistants, including frontend UI, bot configuration, and integration examples.

A local knowledge base RAG and Agent application platform built on Langchain with support for ChatGLM, Qwen, Llama and other LLMs, offering conversation, knowledge base management, and agent capabilities.

Extensible AI agent microservice framework with plugin system, custom tools, and multi-model integration for conversational AI.

A chat workbench for debugging and experimenting with multiple LLMs, providing session management, parameter configuration, and an interactive UI.

Next Generation Multi-tenant AI One-Stop Solution with built-in admin and billing. Enterprise-grade unified LLM gateway supporting 200+ models and 35+ providers.

An open-source multi-agent chat interface for managing multiple agents in one dynamic conversation and connecting MCP servers for deeper research.

Creative Tim UI provides open-source components, blocks, and AI agents designed to speed up your workflow, importable seamlessly into your favorite tools through Registry and MCPs.

LibreChat is an enhanced open-source ChatGPT clone featuring Agents, MCP tools, multi-model support, code interpreter, AI search, and more.

AI chat client implementing the Model Context Protocol (MCP) with multi-model support and cross-platform desktop experience

An open-source AI chat frontend for self-hosted models and multi-model chat scenarios, providing a clean conversation interface and basic configuration.

big-AGI is a feature-rich AI suite providing multi-model parallel chats, AI personas, text-to-image, voice synthesis, code highlighting and execution, PDF import, and more. Deploy on-prem or in the cloud.

Proma brings the smoothest universal agent experience into your workflow. Built on Claude Agent SDK with native Feishu (Lark) group chat integration and flexible LLM provider support, bringing top-tier agent capabilities to everyday work scenarios.

ESP-Claw, a "Chat Coding" AI agent framework for IoT devices.

A framework for integrating AI into JSX components. Build AI applications the React way with streaming rendering, tool use, and agent composition.

Free open-source chat SDK for building fast, real-time apps and generative AI agents with high-performance, customizable, cross-platform UI.

LlamaGPT is a self-hosted, offline ChatGPT-like chatbot powered by Llama 2. 100% private with no data leaving your device, with Code Llama support and one-click deployment via Umbrel.

AI chat assistant for Obsidian with contextual awareness, smart writing assistance, and one-click edits. Features vault-aware conversations, semantic search, and local model support.

Rediscover your social memories with local, AI-powered analysis. Import chat histories from multiple platforms and analyze them with AI agents for insights and visualization.

Hexabot v3 is an AI automation platform, combining workflows, actions, agents, and conversational channels in one runtime.

HuggingChat UI is the open-source chat interface by HuggingFace powering the HuggingChat service, supporting conversations with various open-source LLMs.

Build local voice agents with open-source models. An end-to-end speech-to-speech pipeline from HuggingFace for fully local voice AI agent deployment.

A free, local, open-source 24/7 cowork app supporting multiple coding agents like Gemini CLI, Claude Code, and Codex with unified management and collaboration features.

Open chat interface for all your models — a unified, modern frontend for connecting to various AI providers

Community-driven P-lexity AI desktop app powered by Electron, bringing powerful AI language intelligence straight to your desktop.

An open-source chat UI for Ollama providing a clean, intuitive interface for local LLM conversations with model selection and conversation management.

Fully-featured web interface for Ollama LLMs built with Next.js. Supports local model conversations, multi-model switching, and browser-side persistent storage.

Jan is an open source alternative to ChatGPT that runs 100% offline on your computer, supporting multiple local LLMs with a full desktop chat UI and API server.

Khoj is a self-hostable AI second brain that answers questions from the web or your docs, builds custom agents, schedules automations, and performs deep research.

Cross-platform chatbot framework made with love. Supports Discord, Telegram, QQ and more through a highly extensible plugin architecture.

Production-grade platform for building agentic IM bots supporting Discord, Slack, LINE, Telegram, WeChat, Feishu, DingTalk, QQ, and more with Agent orchestration, knowledge base, and plugin system.

Web app for interacting with any LangGraph agent (Python and TypeScript) via a chat interface

Framework to build resilient language agents as graphs.

OpenGPTs is an open-source alternative to GPTs by the LangChain team. Provides a self-hostable agent platform with multiple LLM backends, RAG, and tool-use capabilities.

Official LiveKit React voice agent starter template, demonstrating how to build real-time voice interactive AI agents with LiveKit Agents framework.

Lobe Chat is an open-source ChatGPT-style chat application with a plugin system and multi-model support, suitable as an agent conversation interface.

The ultimate space for work and life to find, build and collaborate with agent teammates that grow with you, enabling multi-agent collaboration and team design.

Chatbot UI is an open-source AI chat interface supporting OpenAI, Claude, Gemini and more, with a modern conversation UI and flexible deployment options.

Open-source frontier voice AI from Microsoft, providing high-quality speech synthesis and recognition for building real-time conversational voice agent applications.

A collection of Microsoft chat application samples demonstrating how to build LLM conversation experiences with Azure and common frontend frameworks.

Expect tests your agent's code in a real browser, providing a visual browser testing environment to verify that AI agent-generated code works as expected.

Official spec and SDK of MCP Apps protocol - the standard for UIs embedded in AI chatbots, served by MCP servers, enabling interactive user interfaces directly from MCP tools.

The Powerful Conversational AI JavaScript Library with UI for any LLM. Supports LangChain, HuggingFace, Vercel AI, and more. Works with React, Next.js, and plain JavaScript.

Run Local LLMs on Any Device. Open-source and available for commercial use. Provides fully offline local inference and chat for AI agents.

The original local LLM interface supporting text generation, vision, tool-calling, and training with both a web UI and API. Runs 100% offline and private.

Open WebUI is a feature-rich, user-friendly self-hosted AI platform supporting Ollama and OpenAI-compatible APIs, with RAG, agents, and MCP capabilities.

Versatile, UI-agnostic OpenAI-compatible plugin framework for adding custom pipelines like content filtering, RAG enhancement, and tool calling to any AI chat interface.

Build your own Cowork, AI Scientist and other SoTA Agents just by editing config files. Support anthropic skills. An infinite-horizon agent framework designed for long-running, complex tasks.

A lightweight AI assistant platform running securely in containers. Connects to WhatsApp, Telegram, Slack, Discord, Gmail with memory, scheduled jobs, and built on Anthropic's Agents SDK.

An intelligent dialogue system based on RAG (Retrieval-Augmented Generation) technology with a complete web UI for document upload, knowledge base management, and smart Q&A.

An open-source, end-to-end voice AI orchestration platform for building real-time conversational voice agents with audio streaming, STT, TTS, VAD, and multi-channel integration.

A self-hosted AI chat platform with a web UI and terminal CLI, supporting any model, web search, browser-agent automation, persistent memory, and analytics.

An open-source chatbot platform providing a chat frontend, bot configuration, and multi-channel integration for building user-facing AI dialogue systems.

All-in-one LLM CLI tool with Shell Assistant, Chat-REPL, RAG, AI Tools & Agents, supporting OpenAI, Claude, Gemini, Ollama, Groq, and more.

LLM Frontend for Power Users with multi-model support, rich role-playing features, extensible plugin system, and local deployment.

Sim is a platform to build, deploy, and orchestrate AI agents with a visual low-code workflow editor, supporting OpenAI, Anthropic, DeepSeek and more for enterprise agent orchestration.

Open-source web UI for Claude Code, Cursor CLI, and Codex enabling remote management of AI coding sessions and projects from mobile and web.

AI Chat Browser: Fast, full webapp access to ChatGPT, Claude, Bard, Bing, Llama and more. Quick switching and parallel usage across models.

A GenAI-powered multi-agent medical assistant for diagnostic support, healthcare research, and question answering through coordinated agent roles.

An AI agent for teams, communities, and multi-user environments. Supports intelligent conversations, task delegation, and information sharing.

bolt.diy is an open-source platform to prompt, run, edit, and deploy full-stack web applications using any LLM you want, providing a visual development environment for AI-powered app creation.

Superduper: End-to-end framework for building custom AI applications and agents.

Desktop AI assistant with multi-model support (GPT-5, Claude, Gemini, Ollama, etc.), featuring chat, vision, voice, RAG, image generation, agents, and MCP plugins

Unofficial Python API and agentic skill for Google NotebookLM. Full programmatic access to NotebookLM features including capabilities the web UI doesn't expose, via Python, CLI, and AI agents like Claude Code, Codex, and OpenClaw.

LLMChat provides a unified interface for AI chat and agentic workflows, supporting multi-model conversations and agent workflow orchestration with a clean, modern user interface.

Next-gen AI+IoT framework for T2/T3/T5AI/ESP32/and more – Fast IoT and AI Agent hardware integration.

Vercel's official AI SDK-based chatbot template featuring streaming output, model invocation, message persistence, and a modern UI.

A Gemini chatbot example from Vercel Labs demonstrating how to implement streaming conversations with modern frontend techniques.

Web UI for AutoGen (A Framework Multi-Agent LLM Applications).

The agentic development environment built for coding with multiple AI agents, providing a next-generation terminal experience.

Weixin Agent SDK enables connecting any AI agent to WeChat (Weixin) bots, allowing quick integration of AI agents into WeChat official accounts or bots for intelligent conversation and automated services.

An agent framework connecting digital humans (2.5D/3D/mobile/web) with business systems, compatible with OpenAI and DeepSeek LLMs.

An amazing UI for OpenAI's ChatGPT with enhanced conversation management, prompt templates, and model parameter tuning across Web, Windows, MacOS, and Linux.