Flowise
Open SourceSelf-hostableDrag-and-drop builder for LLM apps and agents.
4.635K starsAlternative to OpenAI Assistants, Zapier
Overview
Flowise is a free, open-source tool and a self-hostable alternative to OpenAI Assistants, Zapier. It's licensed under Apache 2.0 and written in TypeScript.
Flowise lets you assemble chatbots, RAG pipelines, and multi-agent workflows on a visual canvas, then expose them as APIs. It's the open-source way to prototype and ship LLM applications without boilerplate.
Why pick Flowise over OpenAI Assistants
- Own your data instead of trusting OpenAI Assistants's servers
- No per-seat pricing — grow without ballooning costs
- Flowise is open source: audit it, fork it, extend it
- Self-host for full privacy and compliance control
Key features
- Visual flow editor for chains and agents
- 100+ integrations and vector stores
- Expose flows as REST APIs or embeds
- Human-in-the-loop and tool calling
- Self-hosted with team workspaces
Pros & cons
Screenshots
Installation
Run with npx
npx flowise startFrequently asked questions
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