Open-Source Alternatives to Zapier
Based on our dataset, the self-hostable open-source alternatives to Zapier are n8n and Activepieces. The Zapier plan we benchmark is Professional ($69-$299/mo task tiers).
Data last updated . How we check.
Quick comparison
| Alternative | License | RAM in starter config | Needs Postgres / Redis | Migration |
|---|---|---|---|---|
| n8n | Sustainable Use (Free Self-Host) | 512 MB | Yes / No | Easy |
| Activepieces | MIT | 512 MB | Yes / Yes | Very Easy |
n8n
Fair-code workflow automation with 400+ integrations and native LangChain AI agent nodes
- Unlimited workflow executions on your VPS
- Visual AI Agent, Vector Store & LLM nodes
- Full JavaScript & Python code steps
Docker image docker.n8n.io/n8nio/n8n:latest. GitHub: n8n-io/n8n (56.4k stars when our data was last updated). Website: https://n8n.io
Activepieces
MIT-licensed no-code business automation and AI workflow builder (cleanest Zapier UI clone)
- True MIT open-source core
- Non-technical friendly step builder
- TypeScript piece framework
Docker image activepieces/activepieces:latest. GitHub: activepieces/activepieces (11.8k stars when our data was last updated). Website: https://www.activepieces.com
Switching from Zapier
- Pick an alternative above and open its comparison page for the cost breakdown.
- Generate a free starter
docker-compose.ymlin the stack builder. - Test it on a small server with a copy of your data before moving the team over.
- Check the migration notes in the table, and the official docs of the tool you pick.
More detail: Replace Zapier guide.
FAQ
What are the open-source alternatives to Zapier?
In the StackSwitcher dataset, the self-hostable open-source alternatives to Zapier are n8n, Activepieces.
Which Zapier plan does StackSwitcher compare against?
We benchmark Zapier Professional ($69-$299/mo task tiers). The main pain point we note: Punitive per-task pricing means a single busy webhook loop or AI agent workflow can burn $150/month overnight.
How much RAM does n8n need when self-hosted?
Our starter Docker config budgets 512 MB of RAM for n8n plus Postgres. Real needs depend on your usage.
How much RAM does Activepieces need when self-hosted?
Our starter Docker config budgets 512 MB of RAM for Activepieces plus Postgres and Redis. Real needs depend on your usage.
Config templates are MIT licensed and provided "AS IS", with no warranty of any kind and no liability. Prices and specs are informational estimates from our dataset, so check the vendor and project sites before you decide. See the Terms & No Warranty disclaimer.