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Open Source Chatbot Software (2026)

Last updated: February 2026

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17 software options

Lime Connect logo

Live chat and customer messaging for businesses of all sizes

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Open Source
Start with our free trial, no credit card is required. Then decide whether to go with our free product or one of our premium plans, outlined below: Team: $100/month (billed monthly) or $90/month (billed annually) or $80/month (billed biennially) Corporate: $320/month (billed monthly) or $290/month (billed annually) or $256/month (billed biennially) Flex: Contact Userlike for custom quote

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Rocket.Chat logo

The Leading Enterprise Communication Hub

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Open Source
Rocket.Chat offers two pricing plans: Community: A free, self-managed plan designed for small teams. Enterprise: $7/user/month with a minimum of 25 users and $35/agent/month with a minimum of 5 agents.

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Amazon Connect logo

Scalable Omnichannel Contact Center Solution

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Open Source
Please contact Amazon Web Services for pricing details.

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CoSupport AI logo

Fully Customizable AI Agent for Customer Service

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Open Source
- Response-based: from $0.04 per response - Resolution-based: from $0.19 per resolution - Unlimited AI: from $99/mo

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riyo.ai logo

Maximize your conversion with riyo.ai, an all-in-one tool.

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Tangle logo

The Smart ERP with Superpowers

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Open Source
Starting from a BASIC plan of $100 per User per Month - there are alternative pricing model based on user volume and their type of usage.

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Verint Messaging logo

Cloud-based personalized customer engagement platform

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Machine Learning on AWS logo

Machine learning and AI solutions from AWS

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Lyzr.ai logo

Build safe, responsible AI Agents without writing code

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Klondike logo

AI Boost for Customer Care

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Chatbot logo

Conversational AI platform

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Open Source
Choose the one that best suits your goals and operations.

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Build Chatbot logo

Personalized AI chatbot supporting multiple file formats

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CX Genie logo

Cloud-based and AI-enabled chatbot software

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Hubtype logo

Achieve automation beyond your expectations.

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viind logo

Chatbot solution for managing customer service operations

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Open Source
Please contact viind directly for pricing details.

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SynthAI logo

AI chatbot for marketing, sales, and support team

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Open Source
Starter – $29/mo: Brain AI + any 2 assistants, 3 Power-Ups, 500 messages/mo, 1 workspace. Pro – $59/mo: Brain AI + any 5 assistants, core Power-Ups, 2,500 messages/mo, 3 workspaces, priority chat. Ultimate – $97/mo: Brain AI + all 9 assistants, unlimited Power-Ups, 10,000 messages/mo, 10 workspaces, white-label reports & API. Free trial: 7 days. Billing: monthly/annual. Cancel anytime.

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Bubble Chat logo

Natural language processing software

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Open Source
Visit www.bubble-chat.ch and go to "Preise" for our prices and services.

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