Free ai · conversational in the Top 11

5 providers in the Top 11 The 11 Best Chatbot Software Platforms offer a free tier; the most credible is HubSpot Service Hub.

Why this answer

Filtered to entries with a published free tier (not just a free trial). When the pricing page is ambiguous we err conservative — paid-only by default.

Showing all 5 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked The 11 Best Chatbot Software Platforms.

  1. #1HubSpot Service Hub(rank #4 in The 11 Best Chatbot Software Platforms)

    Free tier

    The best choice for SMBs already using the HubSpot CRM platform.

    Full HubSpot Service Hub review · Compare: HubSpot Service Hub vs Tidio · Alternatives

  2. #2Tidio(rank #6 in The 11 Best Chatbot Software Platforms)

    Free tier

    The best value platform for small businesses needing a simple, effective chatbot.

    Full Tidio review · Alternatives

  3. #3Freshchat (Freshworks)(rank #7 in The 11 Best Chatbot Software Platforms)

    Free tier

    A solid, well-priced chatbot for support and sales, especially for Freshworks users.

    Full Freshchat (Freshworks) review · Alternatives

  4. #4Botpress(rank #10 in The 11 Best Chatbot Software Platforms)

    Free tier

    A flexible, developer-focused platform for building highly custom chatbots.

    Full Botpress review · Alternatives

  5. #5Rasa(rank #11 in The 11 Best Chatbot Software Platforms)

    Free tier

    The leading open-source framework for teams who want to build and host their own AI assistant.

    Full Rasa review · Alternatives

Methodology: /methodology · No paid placement ever · Verified .