Best Open Source Alternatives to Zapier

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

Open-source unified workspace to delegate projects to AI agents, route models, and publish artifacts.

Composio: 1000+ pre-authenticated toolkits, sessions, auth, and sandbox for building AI agents.

Open-source AI workflow automation with 400+ MCP servers for AI agents, a Zapier alternative.

Open-source Agent Operating System in Rust for autonomous scheduled agents.

Open-source agentic workspace with 100+ integrations, MCP support, and local-first data control.

Klavis AI: MCP integration platform for reliable, scalable AI agent tool use.

AI agent that reverse-engineers internal APIs to build permissionless integrations.

Open-source workspace to build, share, and run AI agents that automate your work.

Self-hosted AI backend daemon with shared memory, 136 API endpoints, and multi-interface access.