Sure, Airflow is awesome.

But have you considered these open source alternatives?

They are free, self-hostable and community-driven.

Check by yourself: Mage .

So is Mage

Data pipelines for integrating and transforming data
★ 8.2K Data Data pipeline ETL License: Apache-2.0
Open-source data pipeline tool for transforming and integrating data. The modern replacement for Airflow. - Integrate and synchronize data from 3rd party sources - Build real-time and batch pipelines to transform data using Python, SQL, and R - Run, monitor, and orchestrate thousands of pipelines without losing sleep.