Ultimate open-source chatbot Solutions for Everyone

Discover all-in-one open-source chatbot tools that adapt to your needs. Reach new heights of productivity with ease.

open-source chatbot

  • An open-source web platform enabling communities to deploy AI-powered chat assistants with personalized knowledge base and moderation.
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    What is Community AI Assistant?
    Community AI Assistant provides a ready-to-use framework for building and deploying AI-driven community chatbots. It leverages OpenAI embeddings to create a custom knowledge base from documentation, FAQs, and user guides. The assistant supports user management, secure authentication, and moderation workflows. It can be tailored via configuration files and environment variables, offering developers full control over prompts, UI, and integration into existing web applications or community platforms.
  • Highly capable, open-source Llama 3 chatbot by Meta AI.
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    What is Llama 3?
    Llama 3 is a versatile, open-source chatbot developed by Meta AI. It excels in various domains, such as explaining concepts, writing content, solving puzzles, and coding. Its advanced language capabilities make it an incredibly powerful tool for both casual and professional users, whether you need assistance with writing or complex problem-solving.
  • A Telegram bot framework for AI-driven conversations, providing context memory, OpenAI integration, and customizable agent behaviors.
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    What is Telegram AI Agent?
    Telegram AI Agent is a lightweight, open-source framework that empowers developers to create and deploy intelligent Telegram bots leveraging OpenAI’s GPT models. It provides persistent conversation memory, configurable prompt templates, and custom agent personalities. With support for multiple agents, plugin architectures, and easy environment configuration, users can extend bot capabilities with external APIs or databases. The framework handles message routing, command parsing, and state management, enabling smooth, context-aware interactions. Whether for customer support, educational assistants, or community management, Telegram AI Agent simplifies building robust, scalable bots that deliver human-like responses directly within Telegram’s messaging platform.
  • An open-source Python CLI to build custom AI agents with memory management and external tool integration.
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    What is Aibot?
    Aibot is an extensible AI agent framework in Python that provides a command-line interface to configure and run custom chatbots. It supports multi-model APIs (e.g., OpenAI, Anthropic), conversation history management, persistent memory, and plugin-based tool integration. Developers can define skills, workflows, and custom actions, enabling automated tasks, knowledge retrieval, and dynamic responses. With built-in commands for initialization, configuration, and execution, Aibot streamlines the development and deployment of intelligent conversational agents.
  • Botpress is an open-source platform for building conversational AI chatbots with customizable workflows.
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    What is Botpress?
    Botpress is an open-source chatbot development platform designed for developers to build and manage conversational agents. It supports natural language understanding, dialogue management, and integrated machine learning modules. Users can create custom workflows and integrate them with external APIs. With Botpress, businesses can deploy chatbots on various platforms, enhancing customer engagement and automating customer service effectively.
  • Enables interactive Q&A over CUHKSZ documents via AI, leveraging LlamaIndex for knowledge retrieval and LangChain integration.
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    What is Chat-With-CUHKSZ?
    Chat-With-CUHKSZ provides a streamlined pipeline for building a domain-specific chatbot over the CUHKSZ knowledge base. After cloning the repository, users configure their OpenAI API credentials and specify document sources, such as campus PDFs, website pages, and research papers. The tool uses LlamaIndex to preprocess and index documents, creating an efficient vectorized store. LangChain orchestrates the retrieval and prompts, delivering relevant answers in a conversational interface. The architecture supports adding custom documents, fine-tuning prompt strategies, and deploying via Streamlit or a Python server. It also integrates optional semantic search enhancements, supports logging queries for auditing, and can be extended to other universities with minimal configuration.
  • DocChat-Docling is an AI-powered document chat agent that provides interactive Q&A over uploaded documents via semantic search.
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    What is DocChat-Docling?
    DocChat-Docling is an AI document chatbot framework that transforms static documents into an interactive knowledge base. By ingesting PDFs, text files, and other formats, it indexes content with vector embeddings and enables natural language Q&A. Users can ask follow-up questions, and the agent retains context for accurate dialogue. Built on Python and leading LLM APIs, it offers scalable document processing, customizable pipelines, and easy integration, empowering teams to self-serve information without manual searches or complex queries.
  • Open-source end-to-end chatbot using Chainlit framework for building interactive conversational AI with context management and multi-agent flows.
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    What is End-to-End Chainlit Chatbot?
    e2e-chainlit-chatbot is a sample project demonstrating the complete development lifecycle of a conversational AI agent using Chainlit. The repository includes end-to-end code for launching a local web server that hosts an interactive chat interface, integrating with large language models for responses, and managing conversation context across messages. It features customizable prompt templates, multi-agent workflows, and real-time streaming of responses. Developers can configure API keys, adjust model parameters, and extend the system with custom logic or integrations. With minimal dependencies and clear documentation, this project accelerates experimentation with AI-driven chatbots and provides a solid foundation for production-grade conversational assistants. It also includes examples for customizing front-end components, logging, and error handling. Designed for seamless integration with cloud platforms, it supports both prototype and production use cases.
  • Jaaz is a Node.js-based AI agent framework enabling developers to build customizable conversational bots with memory and tool integrations.
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    What is Jaaz?
    Jaaz is an extensible AI agent framework designed for crafting highly interactive chatbot and voice assistant solutions. Built on Node.js and JavaScript, it provides core modules for dialog management, context-aware memory, and third-party API integration, enabling dynamic tool usage during conversations. Developers can define custom skills, leverage large language models for natural language understanding, and integrate speech-to-text and text-to-speech engines for voice-enabled experiences. Jaaz’s modular architecture simplifies deployment across cloud and on-premise infrastructures, supporting rapid prototyping and production-grade workflows.
  • A LangChain-based chatbot for customer support that handles multi-turn conversations with knowledge-base retrieval and customizable responses.
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    What is LangChain Chatbot for Customer Support?
    LangChain Chatbot for Customer Support leverages the LangChain framework and large language models to provide an intelligent conversational agent tailored for support scenarios. It integrates a vector store for storing and retrieving company-specific documents, ensuring accurate context-driven responses. The chatbot maintains multi-turn memory to handle follow-up questions naturally, and supports customizable prompt templates to align with brand tone. With built-in routines for API integration, users can connect to external systems like CRMs or knowledge bases. This open-source solution simplifies deploying a self-hosted support bot, enabling teams to reduce response times, standardize answers, and scale support operations without extensive AI expertise.
  • OpenAssistantGPT is an open-source chat-based assistant for seamless chatbot integration.
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    What is OpenAssistantGPT?
    OpenAssistantGPT is an open-source SaaS platform designed for creating chatbots with OpenAI's Assistant API. It facilitates seamless integration, allowing users to effortlessly add a chatbot to their website. Offering robust capabilities, it ensures efficient and effective user engagement through conversational AI, making it a versatile tool for various applications, from customer support to interactive user interfaces.
  • OpenChatKit is an open-source toolkit for building specialized and general-purpose chatbots.
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    What is OpenChatKit?
    OpenChatKit is an innovative, open-source toolkit aimed at empowering users to build specialized and general-purpose chatbots. It includes a variety of components such as instruction-tuned language models and moderation models. Additionally, its extensible retrieval system allows the augmentation of chatbot responses with up-to-date information from external sources like document repositories, APIs, and live data streams. This toolkit is perfect for both developers and organizations looking to create customized chat solutions tailored to specific needs.
  • Open-source AI for chat, role-play, adventure, and more.
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    What is Pygmalion AI?
    PygmalionAI offers an open-source platform for creating and interacting with large language models designed for chat, role-playing, and adventure. Users can engage with dynamic AI characters, creating unique storylines and immersive experiences. The project aims to make advanced AI accessible for creative and interactive purposes, while fostering a community of developers and enthusiasts.
  • An open-source RAG chatbot framework using vector databases and LLMs to provide contextualized question-answering over custom documents.
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    What is ragChatbot?
    ragChatbot is a developer-centric framework designed to streamline the creation of Retrieval-Augmented Generation chatbots. It integrates LangChain pipelines with OpenAI or other LLM APIs to process queries against custom document corpora. Users can upload files in various formats (PDF, DOCX, TXT), automatically extract text, and compute embeddings using popular models. The framework supports multiple vector stores such as FAISS, Chroma, and Pinecone for efficient similarity search. It features a conversational memory layer for multi-turn interactions and a modular architecture for customizing prompt templates and retrieval strategies. With a simple CLI or web interface, you can ingest data, configure search parameters, and launch a chat server to answer user questions with contextual relevance and accuracy.
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