HexabotOpen-source platform for building custom AI chatbots and multi-channel agents.
Overview
Key features
- Visual conversation flow editor
- Built-in NLU engine
- Multi-channel messaging support
- Plugin and extension system
- Content and knowledge management
- Self-hosted deployment options
Pricing
- Model
- Free
- Category
- AI Agents Platform
- Rating
- 4.4 / 5 (5)
Use cases
Self-hosted customer support assistant
Deploy a branded support chatbot across multiple messaging channels, trained on your own knowledge base and hosted on your infrastructure for full data control.
Internal employee help desk bot
Use the visual flow builder and content management to create internal assistants that answer HR, IT, or policy questions without sending data to third-party vendors.
Custom multi-channel conversational agent
Build and extend agents with plugins to handle workflows across web, social, and messaging apps, tailoring NLU and tone to specific product needs.
Experimental AI agent prototyping
Leverage the open codebase to audit, fork, and extend Hexabot for research or experimental agent projects requiring custom integrations and compliance.
Pros & Cons
Pros
- Fully open-source and self-hostable
- Visual flow builder for non-developers
- Multi-channel and plugin extensible
- Customizable NLU and knowledge base
Cons
- Self-hosting requires technical setup
- Smaller ecosystem than commercial rivals
- Documentation still maturing
Reviews
Average from 5 ratings.
Sign in to leave a review.
Solid for our team
We rolled this out across the team last quarter and fully open-source and self-hostable. Visual conversation flow editor fits neatly into how we already work, and built-in NLU engine removed a step we used to do by hand. Self-hosting requires technical setup, which is the main caveat, but it has held up under daily use.
Years in this space
I've evaluated a lot of these over the years. What stands out here is self-hosted deployment options — handled better than most — and multi-channel and plugin extensible. Documentation still maturing is my one real gripe. Worth the time if this is your use case.
Use it every day
Honestly didn't expect to like it this much. Plugin and extension system is exactly what I needed, and customizable NLU and knowledge base. but I reach for it almost every day now and it just clicks.
Years in this space
I've evaluated a lot of these over the years. What stands out here is plugin and extension system — handled better than most — and customizable NLU and knowledge base. Smaller ecosystem than commercial rivals is my one real gripe. Worth the time if this is your use case.
Does the job
Pretty happy overall. Content and knowledge management just works and multi-channel and plugin extensible. but no dealbreakers — I'd recommend it to a friend without hesitating.
Q&A
What license applies to Hexabot V3?
Hexabot V3 is source-available under FCL-1.0-ALv2. The license permits use for any purpose other than competing use, and covered versions convert to Apache 2.0 on the second anniversary of availability.
Asked by Abebe Girma · Feb 3, 2026
Do I need a license key?
Community is self-hosted and does not require a license key. Starter includes 3 activations, Pro includes 10 activations, and Unlimited includes 25 activations. Enterprise activation limits are custom.
Asked by Ravi Kapoor · Jan 30, 2026
Can I switch plans or raise limits mid-term?
Yes. You can move from Community to Starter, then upgrade to Pro, Unlimited, or Enterprise as users, workflows, or deployment activations grow.
Asked by Miriam Cohen · Jan 17, 2026
Do you bill for messages or workflow executions?
No. Hexabot does not bill by message volume or workflow execution count. Plan quotas still apply for users, workflows, and license activations. Projects and integrations are not capped by plan.
Asked by Eva Horáková · Jan 6, 2026
What does Unlimited mean?
Unlimited means unlimited workflows within fair use, with a 25-user quota and 25 license activations included. Projects and integrations are not capped by plan. Operational safeguards protect service reliability, and legitimate high-growth teams can request higher limits instead of being forced into quota anxiety.
Asked by Tatiana Popescu · Dec 29, 2025
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