n8n
Fair-code workflow automation — 400+ integrations with AI agents.
Sustainable Use License alternative to Zapier. Visual builder, code nodes, native AI capabilities, and self-hosting. TypeScript/Vue stack.
Flowise AI
Visual drag-and-drop builder for AI agents and LLM pipelines.
Apache-2.0 alternative to Langflow with chatflow and agentflow paradigms, embeddable chatbot widgets, and API endpoints. npm install and start.
Compare Zapier alternatives
| Tool | Stars | Forks | License | Self-hosted |
|---|---|---|---|---|
| n8n | 190.7K | 58.2K | Sustainable Use License / fair-code | Yes |
| Flowise AI | 53.3K | 24.5K | Apache-2.0 | Yes |
Zapier is the most popular no-code automation tool for connecting apps and building workflows, but it's closed-source and priced by the number of tasks you run each month — costs climb quickly for high-volume automations, and your workflow logic lives entirely on Zapier's servers.
n8n is the closest match to Zapier's visual, app-to-app automation workflow, with the added ability to self-host and avoid per-task pricing. Flowise AI is a better fit if your automations center specifically on AI agents and LLM pipelines rather than general app-to-app integrations.
FAQ
Is there a free, open-source alternative to Zapier?
Yes. n8n is free to self-host under its fair-code license, and Flowise AI is fully open source under Apache-2.0.
What's the best open-source alternative to Zapier?
n8n is the closest match for general-purpose workflow automation across hundreds of apps. Flowise AI is the better pick if you're specifically building AI agent or LLM-driven workflows.
What are the top open-source alternatives to Zapier?
Browse all open-source alternatives to Zapier above, or explore the full Automation & Low-Code category for more options.