6 Best Open Source ChatBot Alternatives
A curated collection of the 6 best open source and self-hosted alternatives to ChatBot in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for ChatBot in 2026? The top open-source alternative is Chatwoot — Open-source customer support platform with AI agents.
Other highly rated open-source ChatBot alternatives include Typebot, Chaskiq and Hexabot.
Open-source customer support platform with AI agents
Chatwoot is an open-source customer support platform that combines AI agents, omnichannel support, and knowledge base management into a single solution. Whether you choose self-hosting or cloud deployment, Chatwoot helps businesses streamline customer interactions across multiple channels. - AI Assistant (Captain): Built-in AI agent that learns from your help center, chats, and FAQs to automate responses and reduce support volume - Copilot: AI-powered tool providing smart answer suggestions, instant access to past conversations, and quick help-center lookups - Multilingual Support: Translates and assists agents in responding to customers in their native language - Omnichannel Support: Manage customer conversations from website, email, social media, and messaging platforms (Facebook, Instagram, Telegram, LINE, WhatsApp) - Customizable Live Chat: Brandable chat widget with customizable colors, language, text, and design - Knowledge Base: Centralized repository for FAQs and help articles - Voice Calls: Integrated voice channel for direct customer communication - Self-Hosting & Cloud Options: Deploy on your own infrastructure or use managed cloud service - Open Source: Full access to source code with community and enterprise support options Chatwoot is built with Ruby on Rails and Vue.js, supporting deployment on Docker, Kubernetes, or bare metal servers. The platform offers comprehensive documentation for self-hosting, with options for both community and enterprise support tiers.
No-code chatbot builder for websites & WhatsApp
Typebot is a no-code platform that enables you to effortlessly create and integrate advanced chatbots into websites and chat platforms like WhatsApp. Build conversational interfaces with customizable blocks, deploy seamlessly across multiple channels, and analyze performance with detailed analytics. - No-Code Builder: Create chatbots using 45+ building blocks including text, images, videos, buttons, date pickers, and payment inputs. - Multi-Channel Deployment: Deploy bots via custom domains, embedded containers, popups, chat bubbles, or WhatsApp. - AI Integrations: Connect with OpenAI, Google Sheets, Zapier, and other tools for enhanced functionality. - Advanced Theming: Customize fonts, colors, shapes, and shadows with reusable templates. - Real-Time Analytics: Track drop-off rates, completion rates, and export data to CSV for deeper analysis. - Cross-Department Use: Automate conversations for marketing, support, product, and sales teams. - Open Source Core: 100% open source with no vendor lock-in and easy-to-use APIs. - Scalable & Reliable: Built for performance with support for multiple generative AI providers. Typebot is open source and can be self-hosted. The platform provides APIs for quick implementation and supports multiple AI providers for generative capabilities. Documentation and community resources are available for deployment and customization.
Open source messaging platform for marketing, support & sales
Chaskiq is a self-hosted, open-source platform designed to enhance customer communication for marketing, support, and sales teams. It offers a powerful webchat, video calls, onboarding tours, and automated campaigns, all while providing extensive plugin integrations for extended functionality. - Webchat & Video Calls: Robust live chat with integrated video call capabilities for real-time customer interactions. - Automation Flows: Automate conversations with outbound and inbound routing, audience targeting, and self-service options. - Campaigns & Banners: Send targeted messages, promotions, and guided tours to visitors at the right time. - Help Center: Create and organize help articles for customer self-service. - Unlimited Inboxes: Consolidate conversations from multiple channels (Twitter, WhatsApp, Facebook Messenger, Telegram) into one unified inbox. - Reporting & Analytics: Generate custom reports with beautiful visualizations, including data from external services. - Plugin Ecosystem: Over 30 plugins for integrations like Calendly, Zoom, payment gateways, and Zapier. - GraphQL API & OAuth2: Secure API for building custom applications and extending platform functionality. - Email Continuity: Maintain conversations via email even after visitors leave the webchat. - Permissions & Access Control: Configure agent access based on business needs. Chaskiq is open-source and can be self-hosted on your own infrastructure. It is built with modern web technologies and supports deployment on various cloud providers or on-premise servers. The platform is designed for scalability and extensibility, making it suitable for businesses of all sizes.
Hexabot is an open-source platform for creating intelligent, multilingual chatbots without coding complexity.
Hexabot is an open-source platform for creating intelligent, multilingual chatbots without coding complexity.
AI agent customer support for SaaS in under 10 lines of code
Cossistant is the open-source AI and human support framework designed specifically for React and Next.js applications. It transforms your support system by deploying a custom AI agent that learns from your team's interactions, reducing manual workload while maintaining high-quality responses. - Self-learning knowledge base: Automatically builds FAQs from your documentation, resources, and past conversations to improve agent responses over time. - Programmable actions: Integrates with tools like Linear, Stripe, and Cal.com out-of-the-box, with support for custom API integrations. - Code-first workflows: Add support AI agents to your app in under 10 lines of code using the @cossistant/next package. - Customizable agent personality: Control the model, prompt, tone, and skills to match your brand voice. - Real-time inbox: Monitor conversations with live visitor tracking, response times, and AI intervention metrics. - Human escalation: Seamlessly transitions complex issues to human support when needed. - SSO & API integration: Configure Single Sign-On with providers like Google and Microsoft, plus REST API and webhook support. Cossistant is open-source and can be self-hosted. The framework is built for modern JavaScript/TypeScript stacks and integrates seamlessly with React and Next.js applications. Full documentation and deployment guides are available on the official website.
Open-source no-code AI chatbot platform
Tiledesk is an open-source, no-code platform designed to build AI-powered chatbots and connect them with live agents. It enables businesses to automate conversations, boost customer support, and deploy AI agents across web, WhatsApp, voice, and more. - No-Code Design Studio: Visually design conversation flows without coding. - Knowledge Base Integration: Connect documents, knowledge bases, or external data sources for accurate AI responses. - Multi-Channel Support: Deploy AI agents on web, WhatsApp, voice, and other channels. - Multi-Agent Systems: Create scalable workflows with multiple AI agents and human-in-the-loop support. - MCP & API Integrations: Connect AI agents to business tools and APIs for enhanced functionality. - Real-World Use Cases: Ideal for customer support, lead qualification, internal support, and semantic search. - 14-Day Free Trial: No credit card required, cancel anytime. Tiledesk is open-source and can be self-hosted. The platform is built for enterprise-grade AI solutions, offering scalability and flexibility for real-world applications.
About ChatBot
Help, convert, and sell with a data-driven AI chatbot. ChatBot instantly helps your customers using AI-generated responses.