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Apache Airflow vs Sim

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

Apache Airflow

Apache Airflow

Apache-2.0

Apache Airflow is a platform to programmatically author, schedule, and monitor complex workflows. Build pipelines as code and orchestrate your data jobs with rich observability.

Sim

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.

Side-by-side comparison

Apache AirflowApache Airflow
SimSim
LicenseApache-2.0Apache-2.0
Self-hostableYesYes
GitHub Stars46,61129,475
Forks17,6833,793
Open Issues1,950301
Last CommitAug 26, 2026Aug 26, 2026
First ReleasedApr 13, 2015Jan 5, 2025
Categories
Tags

GitHub stars over time

GitHub stars over time
Apache Airflow
Sim29,475