6 Best Chatbot Alternatives in 2026 (Open Source)

Chatbot — A full-featured, hackable Next.js AI chatbot built by Vercel. Vercel's official AI chatbot template — the most polished and production-ready Next.js chatbot starter with AI SDK, unlike generic templates it includes auth, persistence, multi-provider routing, and one-click Vercel deployment

Short answer

  • Closest match to Chatbot: Dialoqbase.
  • Most actively developed: Hexabot (271 commits in the last 90 days).
  • Fastest growing: DB-GPT (+267 GitHub stars in the last 30 days).
  • No commit in 6+ months: OpenChat and CodeFuse-ChatBot.

These 6 open-source tools do the same job. They are ordered by how closely they match Chatbot, with live GitHub data so you can see which projects are actively maintained.

ToolGitHub starsStars / 30dLast commitDownloads / 30d
Chatbot(original)21.0k+1572026-07-08—
Dialoqbase1.8k+12026-06-2936
Hexabot1.3k+552026-08-20—
OpenChat5.2k-52024-02-27—
Autonomous HR Chatbot460+32026-04-29—
CodeFuse-ChatBot1.3k+12024-07-01—
DB-GPT20.1k+2672026-10-02—
  1. 1. Dialoqbase

    Create chatbots with ease

    What sets it apart: vs Botpress/Rasa: open-source no-code chatbot builder with multi-LLM provider flexibility + multi-platform deployment (web, Telegram, Discord, WhatsApp) + PostgreSQL vector search — all self-hosted

    Best for: Quickly building custom chatbots from proprietary knowledge bases; Teams wanting multi-platform chatbot deployment (Telegram, Discord, web); Experimenting with different LLM providers for chatbot use cases

  2. 2. Hexabot

    Hexabot is an open-source AI chatbot / agent builder. It allows you to create and manage multi-channel and multilingual chatbots / agents with ease.

    What sets it apart: vs Botpress/Rasa: open-source visual chatbot builder with built-in multi-LLM support, multi-channel deployment, and knowledge base — complete platform not just a framework

    Best for: Teams building multi-channel AI chatbots with visual flow editor; Organizations needing self-hosted chatbot with human handover

  3. 3. OpenChat

    LLMs custom-chatbots console ⚡

    What sets it apart: vs Chatbase/CustomGPT: self-hosted open-source chatbot platform with unlimited memory, codebase ingestion for pair programming, and embeddable website widgets — own your data without SaaS vendor lock-in

    Best for: Building knowledge-base chatbots from company documents; Website customer support widgets with custom data; Pair programming assistance using codebase context

  4. 4. Autonomous HR Chatbot

    An autonomous HR agent that can answer user queries using tools

    What sets it apart: It provides both a preserved LangChain/Pinecone implementation and a modernized OpenAI Responses API agent loop.

    Best for: Developers prototyping tool-using HR assistants; Learning from an autonomous agent reference implementation; Experimenting with policy retrieval and structured employee data

  5. 5. CodeFuse-ChatBot

    An intelligent assistant serving the entire software development lifecycle, powered by a Multi-Agent Framework, working with DevOps Toolkits, Code&Doc Repo RAG, etc.

    What sets it apart: vs GitHub Copilot/Cursor: multi-agent DevOps assistant from Ant Group with repository-level code analysis, knowledge graphs, and sandboxed execution — designed for enterprise private deployment

    Best for: DevOps teams needing AI-assisted code analysis and generation; Enterprise teams wanting private, self-hosted coding assistant with RAG

  6. 6. DB-GPT

    open-source agentic AI data assistant for the next generation of AI + Data products.

    What sets it apart: Full-stack AI data assistant combining autonomous SQL generation, sandboxed code execution, and reusable skills in a single platform — not just a chatbot

    Best for: Data teams needing natural language database querying; Organizations wanting AI-powered data analysis assistants; Teams building data-driven agent workflows

FAQ

What are the best alternatives to Chatbot?
The closest open-source alternatives to Chatbot are Dialoqbase, Hexabot and OpenChat, followed by Autonomous HR Chatbot, CodeFuse-ChatBot and DB-GPT. They are ranked by how closely they match what Chatbot does.
Which Chatbot alternative is the most popular?
DB-GPT has the most GitHub stars among Chatbot alternatives, with 20,074 stars.
Which Chatbot alternative is the most actively maintained?
By recent activity, Hexabot (271 commits in the last 90 days) is the most actively developed alternative.

Maintain Chatbot or one of these alternatives?

Each tool page has a maintainer box: a README badge with your live rank and stars, or a homepage + category feature for $49 / 7 days.

Chatbot · Dialoqbase · Hexabot · OpenChat · Autonomous HR Chatbot · CodeFuse-ChatBot