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Automation

Best Open-Source Alternatives to Zapier

Zapier popularized "if-this-then-that" automation between SaaS apps. OSS alternatives let you self-host, avoid per-run pricing, and use unlimited steps.

TL;DR — top pick

n8n

n8n is the dominant Zapier alternative. 400+ integrations, visual node editor, code nodes (JS/Python), AI nodes (LangChain, OpenAI), self-host with Docker.

github.com/n8n-io/n8n

All 3 alternatives ranked

#1

n8n

Sustainable Use LicenseSelf-hostable★ ~75k
github.com/n8n-io/n8n

n8n is the dominant Zapier alternative. 400+ integrations, visual node editor, code nodes (JS/Python), AI nodes (LangChain, OpenAI), self-host with Docker. Strong commercial support + cloud option. The clear pick for serious automation.

Pick n8n if

You need a powerful Zapier replacement with code-level flexibility and AI integration.

Skip if

You only need 2-3 simple automations — Zapier free tier is easier.

#2

Activepieces

MIT + Commons ClauseSelf-hostable★ ~12k
github.com/activepieces/activepieces

Activepieces is the cleaner, simpler n8n. Lighter UI, easier to self-host, growing integration library. Best for teams that want n8n's feel but with less complexity.

Pick Activepieces if

You want a simpler, prettier n8n. Or you're on the fence between n8n and Make.

Skip if

You need maximum integration coverage — n8n still leads on count.

#3

Huginn

MITSelf-hostable★ ~45k
github.com/huginn/huginn

Huginn is the OG (started in 2013). Less polished UI than n8n but battle-tested, no licensing weirdness, fully open-source. Best for developers who want raw flexibility over UI polish.

Pick Huginn if

You want a 100%-open-source-no-commercial-strings automation tool.

Skip if

You want a modern UI — n8n is way prettier.

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Best Open-Source Zapier Alternatives on GitHub (2026) — n8n & more — StackPicks — StackPicks