Best free Botpress alternatives

Looking for a free alternative to Botpress? Here are 9 workflow automation worth trying — 9 with a free tier. Botpress itself is free tier + paid.

ToolBotpress (you searched)WindmillLangflowGoogle Opal
Pricingfreemiumfreefreefree
Best forFree pay-as-you-go plan with a monthly message quota and AI creditOpen-source, self-hostable with unlimited executions on the free tierOpen source with 138k GitHub stars, free desktop app and free cloud accountDescribe an app in plain language and Opal builds a shareable multi-step AI workflow
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Botpress alternatives — straight answers

What is the best free alternative to Botpress?

Windmill is the closest free alternative to Botpress: same Workflow Automation sub-category, and it is free. Open-source, self-hostable with unlimited executions on the free tier

Are there free Botpress alternatives?

Yes — 9 of the 9 alternatives listed here are free or freemium: Windmill, Langflow, Google Opal, Flowise, Sim. None of them are paid-only.

Is Botpress free?

Botpress is free tier + paid. There is a free tier you can work in, with paid plans above it.

How were these Botpress alternatives chosen?

They are the other tools in Workflow Automation, then the rest of AI Agents & Automation, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.

All Botpress alternatives

Browse Workflow Automation →

Windmill

Workflow Automation
free

✦ WhyA Botpress alternative — Open-source, self-hostable with unlimited executions on the free tier.

  • Open-source, self-hostable with unlimited executions on the free tier
  • Turns scripts (Python/TS/Go/Bash/SQL) into flows and full internal apps
  • Kubernetes/Docker/Fargate deployable with a hybrid seat+compute enterprise pricing model

Langflow

Workflow Automation
free

✦ WhyA Botpress alternative — Open source with 138k GitHub stars, free desktop app and free cloud account.

  • Open source with 138k GitHub stars, free desktop app and free cloud account
  • Drag-and-drop visual builder for agents and RAG pipelines on top of LangChain primitives
  • Deep integrations across major LLMs, vector DBs and Google Cloud/Slack/MongoDB

Google Opal

Workflow Automation
freeNew

✦ WhyA Botpress alternative — Describe an app in plain language and Opal builds a shareable multi-step AI workflow.

  • Describe an app in plain language and Opal builds a shareable multi-step AI workflow
  • Agent step for autonomous multi-step workflows and automated runs
  • Chains prompts, Gemini/Veo/Imagen models and tools visually
  • Available in 160+ countries, also inside the Gemini app as Gems

Flowise

Workflow Automation
freeNew

✦ WhyA Botpress alternative — Drag-and-drop builder for chatbots, agents and RAG flows.

  • Drag-and-drop builder for chatbots, agents and RAG flows
  • Self-host free with Docker or npm, with many model and vector store integrations
  • Agentflow for multi-agent orchestration
  • Embeddable chat widget and API output

Sim

Workflow Automation
freeNew

✦ WhyA Botpress alternative — Visual canvas for building, deploying and monitoring AI agents and workflows.

  • Visual canvas for building, deploying and monitoring AI agents and workflows
  • Open source and self-hostable
  • Copilot that helps assemble workflows from natural language
  • Integrations with common tools and knowledge bases

LangBot

Workflow Automation
freeNew

✦ WhyA Botpress alternative — Builds AI bots for WeChat, QQ, Discord, Slack, Telegram and other chat platforms.

  • Builds AI bots for WeChat, QQ, Discord, Slack, Telegram and other chat platforms
  • Plugs into Dify, n8n, Coze and other workflow back ends
  • Plugin system and web admin panel
  • Free and open source, self-hosted

Zapier

Workflow Automation
freemium

✦ WhyA Botpress alternative — Connect 8,000+ apps with AI agents.

  • Connect 8,000+ apps with AI agents
  • Natural-language automation builder
  • AI steps, chatbots and tables
  • Free tier for basic Zaps

n8n

Workflow Automation
freemium

✦ WhyA Botpress alternative — Open-source, self-hostable automation.

  • Open-source, self-hostable automation
  • Visual AI-agent and LLM nodes
  • Full code when you need it
  • Free to run yourself

Make

Workflow Automation
freemium

✦ WhyA Botpress alternative — Visual drag-and-drop automation.

  • Visual drag-and-drop automation
  • AI modules and agent scenarios
  • 1,000+ app integrations
  • Generous free tier

Botpress head-to-head