Sometime back, they switched to a MIT-ELv2. What does that mean for end users or other applications leveraging 

Cloud-based open-source data integration software solution provider. The features of the solution include scheduled updates, manual refresh, real-time monitoring, debugging autonomy, data control, etc. It also provides data pipeline automation, orchestration & scheduling, extraction, transportation, load, monitoring & alerts, etc.

Airbyte is an open-source data integration engine that helps you consolidate your data in your warehouses.

Is Airbyte really open-source?