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Activepieces is an MIT-licensed, AI-first workflow automation platform with 689+ integrations, a visual flow builder and first-class MCP agent support — an honest open-source alternative to Zapier that you can self-host.
Activepieces is an open-source (MIT-licensed), AI-first workflow automation platform built by a Y Combinator S22 company — a drop-in alternative to Zapier that ships with 689+ integrations, native Model Context Protocol (MCP) support and an AI agent builder. We rate it 84/100 — the most polished open-source Zapier replacement in 2026, provided you can live with a smaller integration library than Zapier's 6,000+ and Community-edition feature gaps.
Activepieces is an all-in-one business automation platform founded in by Ashraf Samhouri (co-founder/CEO) and Mohammad AbuAboud (co-founder/CTO), and accepted into Y Combinator's S22 batch. The company's thesis is simple: workflow automation shouldn't be a closed SaaS black box that you rent for thousands of dollars a month — it should be open source, extensible via a type-safe TypeScript SDK, and deployable on your own infrastructure.
The product lets non-technical users drag triggers and actions (called "Pieces") onto a visual canvas to build automations, while letting developers drop in JavaScript, custom npm packages, HTTP steps and their own TypeScript integration pieces. The core engine has 21.8k+ GitHub stars, and the current release at the time of writing is v0.81.4, shipped on . Around 60% of the integration pieces are community-contributed — a healthy sign that the extensibility promise is real.
Sentiment across G2 (4.8/5 from 141+ reviews), Product Hunt, r/selfhosted and the GitHub issue tracker is strongly positive. The most upvoted threads praise how fast the team ships — a new integration or feature lands nearly every week — and how much friendlier the pricing feels than Zapier. Self-hosters repeatedly report getting Docker Compose running in under 15 minutes.
The honest criticisms are worth knowing. Reviewers flag that the integration library, while growing quickly, still lags Zapier on niche B2B tools (specific CRMs, ERP connectors, some vertical marketing apps). Several G2 reviewers say the AI Copilot is occasionally off-base when suggesting flow steps. And the MIT Community Edition intentionally lacks SSO, RBAC, audit logs and some governance features — for those you have to move to the commercial Unlimited tier.
Activepieces' pricing is unusually simple: you pay per active flow, not per execution. Runs are effectively unlimited.
| Plan | Price | Key Limits |
|---|---|---|
| Standard | $0 + $5 per active flow/mo | 10 free active flows, unlimited runs, AI agents, unlimited MCP servers, unlimited tables, community support |
| Unlimited | Custom (annual contract) | Everything in Standard, plus team & personal projects, piece access controls, global connections, custom RBAC, SSO, audit logs |
| Community (self-host) | $0 (MIT) | Core features, self-hosted, network isolation — you maintain it |
For a fair apples-to-apples comparison: Zapier's Pro plan starts around $29.99/month for 750 tasks. On Activepieces' Standard, ten active flows running unlimited tasks costs $50/month flat. If any single flow runs more than ~1,500 tasks/month, Activepieces is already cheaper — often dramatically so for AI agents that run thousands of LLM calls.
Best for: Operations and growth teams who automate a lot of things with LLMs and feel Zapier's per-task pricing punish that usage pattern; engineering teams who want a self-hostable, MIT-licensed automation platform with a real TypeScript SDK for custom integrations; and AI builders who want Zapier-style flow building wired into Claude, Cursor or any other MCP-aware client.
Not ideal for: Teams that depend on very long-tail integrations (specific vertical SaaS, legacy ERPs) where Zapier's 6,000+-integration library genuinely wins. Regulated enterprises that need SSO, audit logs and fine-grained RBAC should also plan on the Unlimited contract rather than the Community Edition.
Pros:
Cons:
Zapier remains the category leader on integration count and polish, but pricing punishes AI-heavy use and there is no self-host option. n8n is the closest open-source peer — more developer-oriented and more powerful for complex workflows, but a steeper learning curve and a fair-code license rather than MIT. Make (formerly Integromat) offers visual complexity and cheaper operations-based pricing, but is closed-source. For pure AI agents, Windmill and LangFlow are code-first alternatives worth a look.
Yes — Activepieces is the cleanest open-source Zapier alternative available in 2026, and it pulls ahead meaningfully for AI-first teams. The MIT license, free Community Edition, generous cloud pricing and native MCP support form a package that Zapier cannot match without fundamentally changing its business. We rate it 84/100: a few points shy of outstanding because the integration library is still catching up and some governance features are gated to the commercial tier. For ops, devrel and AI automation teams, start on the free Standard plan or docker compose up today.
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