Meltano

Meltano is an open source platform for extracting and loading data into a warehouse. It treats pipelines as code, so they can be reviewed, tested and versioned like any other software.

You choose connectors for your sources and destinations, then define the pipelines in a project. Meltano runs them from its command line, a web interface or an API. Transformations can be applied before the data reaches the warehouse, and the whole stack can be stored in Git so changes are traceable.

• Over 600 pre-built connectors for extract and load
• Pipelines stored as code and managed with Git
• Build and adjust connectors directly in the project
• Run pipelines from a UI, a CLI or an API
• Transformations applied before the warehouse

Data engineers and data teams who want to own their pipelines rather than depend on a closed service. It suits teams with unusual sources, since they can write or change a connector themselves.

The project is open source under the MIT licence and can be self-hosted at no licence cost. A managed orchestrator is also offered. Self-hosting means your team manages the infrastructure, scheduling and upgrades. Costs for managed use are based on the workloads you run.