Open-source chatbots software
833 open-source libraries, tools and applications tagged chatbots, ranked by how closely chatbots is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
833 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| zai-org/ChatGLM2-6B ChatGLM2-6B is an open-source bilingual (Chinese-English) 6B-parameter conversational large language model built on the GLM architecture. I… | 29 | 15505 | maintenance |
| Telegram.Bot Telegram.Bot is the most popular .NET client library for the Telegram Bot API, letting developers build Telegram chatbots in C#. It support… | 78 | 3646 | active |
| nextlevelbuilder/goclaw GoClaw is a multi-tenant AI agent platform and gateway rebuilt from OpenClaw in Go, supporting 20+ LLM providers and 7 messaging channels f… | 71 | 3610 | active |
| HanaokaYuzu/Gemini-API A reverse-engineered asynchronous Python client library for Google's Gemini web app (formerly Bard), published as gemini-webapi on PyPI. It… | 90 | 3597 | active |
| zhaoyingjun/chatbot A Chinese chatbot project that trains conversational models (Seq2Seq and GPT-style, including small SLM variants) on custom corpora with lo… | 49 | 3582 | active |
| ChatGPT Java SDK An unofficial Java SDK that wraps OpenAI's ChatGPT API for GPT-3.5, GPT-4, GPT-4o, and GPT-5 models, published on Maven Central with a flue… | 44 | 3579 | active |
| chaskiq/chaskiq Chaskiq is a full-featured, source-available live chat, support, and marketing platform serving as an alternative to Intercom, Drift, and C… | 60 | 3573 | active |
| juggleim/im-server JuggleIM is a self-hosted, high-performance instant messaging server written in Go, using a Protobuf + WebSocket long-connection protocol w… | 88 | 3526 | active |
| huangjunsen0406/py-xiaozhi py-xiaozhi is an open-source, cross-platform multimodal AI voice assistant client written in Python, compatible with the xiaozhi-esp32 ecos… | 84 | 3513 | active |
| sugarforever/chat-ollama ChatOllama is an open-source, self-hosted AI chatbot platform built with Nuxt 3 that supports multiple LLM providers (OpenAI, Anthropic, Ge… | 89 | 3512 | active |
| mirai mirai is a high-efficiency open-source library implementing the QQ Android protocol for building QQ chatbots on the JVM. It includes mirai-… | 23 | 14794 | maintenance |
| n3d1117/chatgpt-telegram-bot A self-hosted Telegram bot written in Python that integrates with OpenAI's official ChatGPT, DALL·E, and Whisper APIs to answer questions, … | 30 | 3464 | active |
| FaridSafi/react-native-gifted-chat A React Native and Web chat UI component library providing a fully customizable message interface with features like typing indicators, qui… | 93 | 14439 | maintenance |
| miaoxworld/OpenClawInstaller A shell-based one-click installer and configuration tool for deploying OpenClaw (ClawdBot), a self-hosted personal AI assistant gateway. It… | 45 | 3419 | active |
| chatgpt-java An unofficial Java SDK for the OpenAI API covering all official endpoints including chat completions (GPT-3.5/GPT-4), DALL-E image generati… | 22 | 3406 | active |
| notdog1998/yourself-skill A Claude Code skill that builds a digital persona of yourself from chat logs, diaries, photos, and self-descriptions, structured as a Self … | 45 | 3398 | active |
| pashpashpash/vault-ai OP Vault is a self-hosted application combining a Go backend with a React frontend that lets users upload documents (PDF, txt, epub) into a… | 40 | 3389 | active |
| johnbean393/Sidekick Sidekick is a native macOS app for chatting with local LLMs powered by a built-in llama.cpp backend, with RAG over local files, folders, an… | 75 | 3320 | active |
| Mercury Agent Mercury Agent is a soul-driven AI assistant that runs 24/7 from the CLI, Telegram, Discord, Slack, Signal, or web, with 40+ permission-hard… | 81 | 3315 | active |
| errbotio/errbot Errbot is a Python chatbot daemon that connects to chat services like IRC, Telegram, XMPP, Slack, and Discord, letting you run scripts and … | 81 | 3311 | active |
| irazasyed/telegram-bot-sdk A PHP SDK for the Telegram Bot API that simplifies building Telegram bots, with first-class Laravel support out of the box. It provides mul… | 73 | 3298 | active |
| rag-web-ui/rag-web-ui RAG Web UI is a self-hosted intelligent dialogue application that builds Q&A systems over your own knowledge base using Retrieval-Augmented… | 65 | 3294 | active |
| PastKing/tgbot-verify A self-hosted Python Telegram bot that automates SheerID student/teacher identity verification flows for services like Spotify, ChatGPT, Ge… | 45 | 3293 | active |
| KouriChat/KouriChat KouriChat is a Python-based emotional companionship program powered by LLMs that lets users chat with realistic AI personas. It integrates … | 85 | 3281 | active |
| nexu-io/nexu nexu is an open-source desktop client that runs an OpenClaw AI agent inside messaging apps like WeChat, Feishu, Slack, and Discord with one… | 61 | 3280 | active |
| zai-org/ChatGLM3 ChatGLM3 is a series of open bilingual (Chinese-English) conversational large language models from Zhipu AI and Tsinghua University, includ… | 28 | 13646 | maintenance |
| aandrew-me/tgpt tgpt is a cross-platform command-line tool written in Go that lets users interact with AI chatbots (GPT, Llama, Mixtral, etc.) directly fro… | 96 | 3271 | active |
| AprilNEA/AChat AChat is an open-source, self-hosted, local-first AI chat platform for enterprises and teams, supporting multiple LLM providers like OpenAI… | 52 | 3259 | active |
| langchain-ai/agent-chat-ui A Next.js web application for chatting with any LangGraph agent (Python or TypeScript) through a chat interface. It connects to a LangGraph… | 66 | 3234 | active |
| Josh-XT/AGiXT AGiXT is an open-source AI agent automation platform that orchestrates instruction management and complex task execution across multiple AI… | 82 | 3216 | active |
| TanStack/ai TanStack AI is a type-safe, provider-agnostic TypeScript SDK for building AI applications with streaming chat, tool calling, agents, struct… | 81 | 3209 | active |
| cohere-ai/cohere-toolkit Cohere Toolkit is a deployable all-in-one RAG application with prebuilt frontend and backend components for building LLM-based products. It… | 10 | 3171 | active |
| datascale-ai/opentalking OpenTalking is an open-source Python framework for building real-time AI digital-human (talking avatar) conversation products. It orchestra… | 62 | 3131 | active |
| ibelick/prompt-kit prompt-kit is a collection of customizable, high-quality React UI components for building AI application interfaces such as chat experience… | 65 | 3123 | active |
| SciSharp/BotSharp BotSharp is an open-source multi-agent AI framework written in C# for .NET, providing an agent abstraction layer, conversation state manage… | 77 | 3114 | active |
| link1st/gowebsocket A distributed instant messaging (IM) chat system built in Go on top of WebSocket, designed to support up to a million concurrent connection… | 66 | 3106 | active |
| DeepSeek PHP Chat A lightweight PHP demo application that calls DeepSeek/OpenAI-compatible chat APIs with streaming (EventSource) output, supporting Markdown… | 33 | 3094 | active |
| Project-N-E-K-O/N.E.K.O Project N.E.K.O. is an open-source AI companion application — a proactive catgirl-style AI that lives on your desktop, initiates interactio… | 84 | 3075 | active |
| MemMachine/MemMachine MemMachine is an open-source memory layer for AI agents and LLM applications, providing episodic, profile, and working memory that persists… | 85 | 3071 | active |
| LagrangeDev/Lagrange.Core Lagrange.Core is a pure C# implementation of the NTQQ protocol used by Tencent QQ, derived from Konata.Core. It lets developers build QQ bo… | 62 | 2994 | active |
| OpenMOSS/MOSS MOSS is an open-source tool-augmented conversational large language model from Fudan University, released with base models, SFT models, plu… | 72 | 12253 | maintenance |
| codigoencasa/builderbot BuilderBot is an open-source TypeScript framework for building WhatsApp (and Telegram) chatbots with keyword-driven conversation flows, plu… | 98 | 2975 | active |
| Dark-Xploit/CypherX Cypher X is a WhatsApp user-bot framework deployed via Docker or Heroku, using session ID pairing to run automated WhatsApp features. It is… | 87 | 2964 | active |
| slackapi/bolt-js Bolt for JavaScript is the official Slack framework for building Slack apps in JavaScript/TypeScript. It provides listener methods for even… | 96 | 2944 | active |
| JunChenMoCode/ChatGPT_JCM A Vue2 + ElementUI web management interface that aggregates OpenAI API endpoints (models, chat, images, audio, fine-tuning, files) into a g… | 22 | 2917 | active |
| memodb-io/memobase Memobase is a user profile-based long-term memory system for LLM applications, providing per-user profiles and event timelines that chatbot… | 47 | 2907 | active |
| BotUI BotUI is a JavaScript/TypeScript framework for building conversational (chatbot-style) user interfaces in the browser. It provides a core l… | 35 | 2900 | active |
| hotcoffeeshake/tong-jincheng-skill A Claude Code skill that makes the AI respond as 'Tong Jincheng' (童锦程), a Chinese internet personality known for blunt relationship advice,… | 51 | 2898 | active |
| moltis-org/moltis Moltis is a secure, self-hosted personal AI agent server written in Rust that ships as a single binary with sandboxed execution, multi-prov… | 75 | 2867 | active |
| Botkit Botkit is an open-source TypeScript framework for building chat bots, apps, and custom integrations across major messaging platforms like S… | 10 | 11584 | maintenance |
| Vali-98/ChatterUI ChatterUI is a native mobile frontend for running large language models on-device via llama.cpp or connecting to commercial and open-source… | 89 | 2790 | active |
| GuDong2003/xianyu-auto-reply-fix A self-hosted Xianyu (Goofish) marketplace customer-service management system built with FastAPI, SQLite, and Playwright. It supports multi… | 77 | 2780 | active |
| Linen-dev/linen.dev Linen is an open-source, self-hostable chat platform that syncs public Slack and Discord threads into a Google-searchable, SEO-friendly web… | 32 | 2776 | active |
| pionxzh/chatgpt-exporter A Tampermonkey userscript that adds export functionality to the ChatGPT web interface, letting users save and share their conversation hist… | 97 | 2762 | active |
| hahahumble/speechgpt SpeechGPT is an open-source web application that lets users have voice conversations with ChatGPT using speech recognition and speech synth… | 59 | 2745 | active |
| heshengtao/super-agent-party Super Agent Party is a self-hosted, all-in-one AI desktop companion that combines VRM-based virtual characters, agent skills, MCP tool supp… | 85 | 2736 | active |
| Zero6992/chatGPT-discord-bot A self-hosted Discord bot that integrates ChatGPT-style AI chat into Discord servers, supporting multiple AI providers including a free pro… | 84 | 2735 | active |
| getumbrel/llama-gpt LlamaGPT is a self-hosted, offline ChatGPT-like chatbot powered by Llama 2 and Code Llama models via llama.cpp, with all data staying on th… | 29 | 10926 | maintenance |
| memohai/Memoh Memoh is an open-source multi-agent platform where each AI agent gets its own dedicated cloud computer with a filesystem, desktop, browser,… | 84 | 2707 | active |
| Danghuangshang AI Court Danghuangshang is an open-source multi-agent collaboration system built on the OpenClaw framework, modeling an AI 'imperial court' after Mi… | 49 | 2703 | active |
| TavernAI TavernAI is an atmospheric frontend application for roleplay chat and story writing with AI language models, connecting to backends like Ko… | 58 | 2698 | active |
| Mobile-Artificial-Intelligence/maid Maid is a free, open-source Android chat application (built with React Native) for talking to large language models. It runs GGUF models fu… | 81 | 2695 | active |
| abi/secret-llama Secret Llama is a fully private LLM chatbot that runs entirely in the browser with no server or installation required, powered by the WebLL… | 25 | 2675 | active |
| ZeroBot-Plugin A large collection of practical plugins for the ZeroBot framework implementing the OneBot v11 protocol, written in Go. It powers QQ bots (v… | 76 | 2646 | active |
| facebookresearch/ParlAI ParlAI is a Python framework from Facebook AI Research for sharing, training, and evaluating dialogue models across many openly available d… | 10 | 10618 | maintenance |
| WeChatPadPro/WeChatPadPro WeChatPadPro is a self-hostable WeChat management and automation service built on the unofficial WeChat Pad protocol, written in Go. It exp… | 63 | 2630 | active |
| GPTLink GPTLink is a self-hosted PHP (Hyperf) + Vue application for quickly deploying a commercial AI chat website with user accounts, paid plans, … | 61 | 2627 | active |
| srbhptl39/MCP-SuperAssistant A browser extension (Chrome and Firefox) that brings Model Context Protocol (MCP) tool support to web-based AI chat platforms like ChatGPT,… | 55 | 2592 | active |
| taoshihan1991/goflylivechat GOFLY LIVE CHAT is an open-source, self-hosted customer support live chat system written in Go with a VueJS frontend. It supports real-time… | 47 | 2591 | active |
| apache/burr Apache Burr is a Python framework for building stateful applications that make decisions, such as chatbots, agents, and simulations, using … | 90 | 2567 | active |
| google-gemini/live-api-web-console A React-based starter application for building real-time multimodal experiences with Google's Gemini Live API over WebSockets. It provides … | 58 | 2562 | active |
| koishijs/novelai-bot A Koishi chatbot plugin that generates images via NovelAI, with support for SD-WebUI and Stable Horde backends. It offers model/sampler/siz… | 33 | 2560 | active |
| aurora-develop/aurora A Go service that exposes ChatGPT Web capabilities as an OpenAI-compatible API, including chat completions, responses, file Q&A, image gene… | 89 | 2558 | active |
| zixiiu/Digital_Life_Server A Python server backend for a 'digital life' voice assistant that combines speech recognition, ChatGPT-based conversation, sentiment analys… | 30 | 2549 | active |
| aingdesk/AingDesk AingDesk is an open-source, MIT-licensed AI assistant application for running local AI models (e.g., via Ollama) and third-party model APIs… | 57 | 2539 | active |
| InternLM/HuixiangDou HuixiangDou is an LLM-based professional knowledge assistant designed for group chat scenarios, using a three-stage pipeline of preprocess,… | 41 | 2501 | active |
| perkfly/ex-skill A Claude Code / OpenClaw skill generator that distills chat logs, photos, and social media exports into a persona 'Skill' that mimics a spe… | 45 | 2487 | active |
| darrenburns/elia Elia is a keyboard-centric terminal user interface (TUI) application for chatting with large language models like ChatGPT, Claude, Gemini, … | 21 | 2481 | active |
| vercel/ai-elements AI Elements is a React component library and custom shadcn/ui registry from Vercel providing pre-built, composable UI components for AI-nat… | 71 | 2471 | active |
| TrashUwU/PokeAssistant A Discord assistant bot for the Pokétwo game that automatically identifies Pokémon from spawn images using AI, pings roles or users when le… | 10 | 2470 | active |
| microsoft/chat-copilot Chat Copilot is a sample application from Microsoft for building your own LLM-powered chat copilot, built on Semantic Kernel. It consists o… | 10 | 2434 | active |
| Chatify Chatify is a Laravel package that adds real-time chat to any Laravel application, including direct messages, group conversations, voice not… | 65 | 2430 | active |
| Alan AI SDK Alan AI SDK is a set of client libraries for embedding Alan AI's conversational AI agents and intelligent app layer into web, iOS, Android,… | 91 | 2427 | active |
| wan-h/awesome-digital-human-live2d An open-source digital human application that combines Live2D avatars with LLM-powered conversation, integrating ASR, LLM, TTS, and agent o… | 58 | 2427 | active |
| DSAppTeam/PanelSwitchHelper An Android framework that smoothly animates transitions between the soft keyboard and custom function panels (emoji, options, etc.) in chat… | 72 | 2421 | stable |
| vercel/chat Chat SDK is a unified TypeScript SDK for building chat bots and AI agents that run across Slack, Microsoft Teams, Google Chat, Discord, Tel… | 80 | 2410 | active |
| Jittor/JittorLLMs JittorLLMs is a large language model inference library built on the Jittor deep learning framework, supporting models like ChatGLM, LLaMA/L… | 31 | 2406 | active |
| spacedriveapp/spacebot Spacebot is an opinionated AI agent harness written in Rust for teams, communities, and multi-user environments, deployable as a single sel… | 73 | 2400 | active |
| heshengtao/comfyui_LLM_party A ComfyUI plugin providing a comprehensive set of nodes for building LLM agent workflows, including MCP server support, RAG/GraphRAG, TTS, … | 62 | 2384 | active |
| VCP VCPToolBox is a Node.js middleware layer deployed between LLM APIs and frontend applications, providing a unified Variable & Command Protoc… | 80 | 2383 | active |
| larksuite/openclaw-lark The official Lark/Feishu channel plugin for OpenClaw, maintained by the Lark Open Platform team. It connects an OpenClaw agent to a Lark/Fe… | 54 | 2380 | active |
| Flyer Chat Flyer Chat is an open-source, backend-agnostic chat UI package for Flutter, providing a high-performance and highly customizable chat inter… | 82 | 2362 | active |
| Levanter WhatsApp Bot A feature-rich WhatsApp user bot built in JavaScript that supports running multiple WhatsApp sessions from one instance, with a plugin syst… | 67 | 2349 | active |
| kubeshop/botkube Botkube is a ChatOps messaging bot for monitoring and troubleshooting Kubernetes clusters, integrating with Slack, Discord, and Mattermost.… | 23 | 2314 | active |
| trypromptly/LLMStack LLMStack is a no-code platform for building generative AI agents, workflows, and chatbots by chaining multiple LLMs and connecting them to … | 19 | 2308 | active |
| OpenChatKit OpenChatKit is an open-source toolkit from Together, LAION, and Ontocord.ai for building and fine-tuning chat language models, including in… | 31 | 8983 | maintenance |
| cogwheel0/conduit Conduit is a native Flutter-based iOS and Android client for Open WebUI, OpenAI-compatible endpoints, Ollama, OpenRouter, and Hermes agents… | 81 | 2286 | active |
| VoceChat VoceChat Web App is the React and Redux Toolkit-based web client for the self-hosted VoceChat server, built in TypeScript as a PWA with Fir… | 91 | 2273 | active |
| dice2o/BingGPT BingGPT is a cross-platform desktop application that provides access to new Bing's AI-powered chat without requiring Microsoft Edge or brow… | 22 | 8883 | maintenance |
| YFGaia/dify-plus Dify-Plus is an enterprise-enhanced fork of the Dify LLM application platform, adding a management center built on gin-vue-admin plus enter… | 69 | 2250 | active |