Huginn vs Sim

Comparing two open source alternatives to Zapier. Use the comparison below to decide which one fits your needs.

Huginn

MIT

Self-hosted automation platform for building agents that monitor and act on your behalf — a hackable, open source alternative to IFTTT and Zapier.

Visit Full details

Sim

Apache-2.0

Sim is an open-source workspace to build, deploy, and orchestrate AI agents and agentic workflows. Visually connect LLMs, tools, and data sources without giving up control.

Visit Full details

Side-by-side comparison

	Huginn	Sim
License	MIT	Apache-2.0
Self-hostable	Yes	Yes
GitHub Stars	50,033	29,803
Forks	4,304	3,849
Open Issues	702	346
Last Commit	Oct 10, 2026	Oct 10, 2026
First Released	Mar 10, 2013	Jan 5, 2025
Categories	Automation Tools	AI Agent Builders
Tags	#automation #agents #No Code #monitoring #rss	#ai #ai agent #agents #workflow #rag

GitHub stars over time

Huginn50,033

Sim

Similar open source alternatives

Kestra

Event-driven workflow orchestration platform with a YAML-based pipeline DSL, 500+ plugins, and a built-in UI editor.

Alternative to:

Zapier

Flowise

Open source, drag-and-drop builder for AI agents and LLM workflows. Now archived (EOL Aug 2026) — the Apache 2.0 code lives on for forks and self-hosters.

Alternative to:

Make

Archived

Trigger.dev

Open-source platform for building and deploying reliable background jobs, scheduled tasks, and AI workflows in TypeScript.

Alternative to:

Zapier

Tale

Open-source workspace where teams and AI agents plan tasks, run them in sandboxes, and review results together.

Alternative to:

Lindy AI

n8n

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

Alternative to:

Make

Langflow

Visually build and deploy AI agents and workflows in Python, with built-in API and MCP servers. MIT-licensed and backed by DataStax.

Alternative to:

Lindy AI