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Best free Zapier alternatives (open source, 2026)

Updated · 20 repos compared · data refreshed nightly from GitHub

Short answer

The best free Zapier alternative for most people is n8n (208k GitHub stars). selfhost-ai describes itself as a Zapier alternative. All 20 options below are open source and run on your own computer or server, so there's no subscription.

Zapier (workflow automation) is a paid, closed-source product. The open-source projects below do the same job and run on your own computer or server. Stars and activity come straight from GitHub.

Top picks

  1. 1. Best for: Best overalln8n208k stars · license not detected · updated today
    Editor's pick#59 TRENDING

    Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

    Needs:
    Hardware not stated in its README
    Trade-off
    Better than Zapier: the biggest community (208k stars), very active development. Worse: license not detected by GitHub; check it before commercial use.
  2. 2. Best for: Closest Zapier replacementselfhost-ai951 stars · Apache-2.0 · updated 2d ago

    One-command installer for a self-hosted AI stack on your own server: n8n, Ollama, Open WebUI, OpenClaw, Dify, Flowise, Supabase, ComfyUI, Qdrant & 30+ tools. Docker Compose, automatic HTTPS via Caddy,

    Needs:
    Hardware not stated in its README
    Trade-off
    Better than Zapier: a permissive Apache-2.0 license, very active development. Worse: a small community, so fewer guides and fixes.
  3. 3. Best for: Also excellentactivepieces25k stars · license not detected · updated today
    Editor's pick

    AI Agents & MCPs & AI Workflow Automation • (~400 MCP servers for AI agents) • AI Automation / AI Agent with MCPs • AI Workflows & AI Agents • MCPs for AI Agents

    Needs:
    Hardware not stated in its README
    Trade-off
    Better than Zapier: very active development. Worse: license not detected by GitHub; check it before commercial use.

Comparison

ToolStarsOpen licenseSelf-hostRuns on MacGPU memoryLast update
ZZapierPaid · cloud only–browsernone–
activepiecesEditor's pickAI Agents & MCPs & AI Workflow Automation • (~400 MCP servers for AI agents) • AI Automation / AI Agent with MCPs • AI Workflows & AI Agents • MCPs for AI Agents25k?today
n8nEditor's pick#59 TRENDINGFair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.208k?today
windmillEditor's pickOpen-source developer platform to power your entire infra and turn scripts into webhooks, workflows and UIs. Fastest workflow engine (13x vs Airflow). Open-source alternative to Retool and Temporal.18k?today
selfhost-aiZapier alternativeOne-command installer for a self-hosted AI stack on your own server: n8n, Ollama, Open WebUI, OpenClaw, Dify, Flowise, Supabase, ComfyUI, Qdrant & 30+ tools. Docker Compose, automatic HTTPS via Caddy,951?2d ago
claude-code-best-practicefrom vibe coding to agentic engineering - practice makes claude perfect68k?today
ponytailMakes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.172k?4d ago
learn-claude-codeBash is all you need - A nano claude code–like 「agent harness」, built from 0 to 179k?24d ago
ToolJetOpen-source foundation of ToolJet AI - the enterprise app generation platform for internal tools, dashboards, business applications, workflows and AI agents. Build visually, from a prompt, or from Cla41k?today
oh-my-claudecodeTeams-first Multi-agent orchestration for Claude Code40k?today
qwen-code#7 TRENDINGAn open-source AI coding agent that lives in your terminal.29k?today
simSim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders.30k?today
context-modeContext window optimization for AI coding agents. Sandboxes tool output (98% reduction), persists session memory, and enforces routing across 17 platforms via MCP + hooks.32k?today
cherry-studioAI productivity studio with smart chat, autonomous agents, and 300+ assistants. Unified access to frontier LLMs53k?today
Claude-Code-Game-StudiosTurn Claude Code into a full game dev studio — 49 AI agents, 72 workflow skills, and a complete coordination system mirroring real studio hierarchy.27k?3d ago
paperclipThe open-source app everyone uses to manage agents at work106k?today
artemisARTEMIS turns natural-language instructions into reliable Android automation. It automates end-to-end workflows, captures logs, and integrates seamlessly with AI coding assistants such as Antigravity,14k?20d ago
skyvernAutomate browser based workflows with AI23k?today
ralph-claude-codeAutonomous AI development loop for Claude Code with intelligent exit detection9.7k?5d ago
maxunTurn any website into a structured API. Extract, automate, search and monitor the web.18k?today
trigger.devTrigger.dev – build and deploy durable AI agents and workflows17k?today

✓ yes · ✗ no · – not stated in the README. Hardware details are read from each README and may be incomplete.

Zapier vs open source: what you give up

  • Setup. Zapier is ready as soon as you sign up. These projects need installing, usually with Python, Node or Docker.
  • Hardware. Most READMEs don't state hardware needs; heavier models run much faster with a GPU. 4 mention Mac support.
  • Polish and support. Paid products usually have a smoother interface, managed updates and customer support. Open source gives you privacy, no usage limits and no monthly bill.
  • Maintenance. 20 of 20 were updated in the last 30 days.
  • License. 16 of 20 use a standard open-source license (MIT, Apache, GPL and similar). Check the license before commercial use.

How we picked

Projects that describe themselves as a Zapier alternative come first, then projects that do the same job, ranked by how well they match and by GitHub stars. Projects that need a paid API key, and projects from Zapier's own company, are left out. Stars and activity are verified with the GitHub API every night; hardware details come from each README. Full method.

FAQ

Is there a free alternative to Zapier?

Yes. We list 20 free, open-source GitHub projects that do the same job as Zapier. The most popular are n8n, ponytail and paperclip.

What is the best open-source Zapier alternative?

It depends on your setup. Best overall: n8n. Closest Zapier replacement: selfhost-ai. Also excellent: activepieces. Compare GitHub stars, license and hardware needs in the table on this page.

Can I run a Zapier alternative on a Mac?

Yes. According to their READMEs, qwen-code, sim and cherry-studio run on macOS.

Do I need a GPU to replace Zapier?

Most READMEs don't state hardware needs. Expect heavier models to run much faster with a GPU.

Are these Zapier alternatives really free?

Yes. All 20 are open source on GitHub, and projects that need a paid API key are left out. 16 use a standard open-source license such as MIT, Apache or GPL; check the license before commercial use.

Related: Agents & automation