the open source movement

Replace Zapier.

6 open source alternatives, ranked by health. We re-check every project weekly, so you don’t migrate to something abandoned.

Ranked by health

  1. n8nFair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.★ 206k Sustainable Use License + n8n Enterprise License TypeScript self-host managed
  2. HuginnSystem for building agents that read the web, watch for events and take automated actions on your behalf.★ 50k MIT Ruby self-host
  3. SimVisual workflow builder for automations and AI agents, with triggers, schedules and 100+ integrations.★ 30k Apache-2.0 TypeScript self-host managed
  4. ActivepiecesWorkflow automation platform with a visual builder, hundreds of integrations and support for AI agents and MCP servers.★ 25k MIT + commercial ee/ TypeScript self-host managed
  5. Node-REDLow-code programming for event-driven applications★ 24k Apache-2.0 JavaScript self-host
  6. ByteChefWorkflow automation and AI agent platform that can be self-hosted or embedded in other applications.★ 1.0k Apache-2.0 + commercial ee/ Java self-host managed
How the ranking works

Health blends commit recency, release cadence, issue throughput, contributor breadth and star growth. Stars are shown but never ranked on. The full method.