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Meltano ELT Framework

Checked 1h agoLink OKFree plan available
best free

Best for Runs workloads privately without external dependencies or monitoring.

When not When you need managed services or external oversight.

Meltano is an open-source ELT framework combining Singer taps (extract), dbt (transform), and orchestration in one CLI. Extensible with custom Python transforms. Meltano state tracking prevents re-running already-loaded chunks. GitOps-first: all config lives in YAML for version control. Used by data teams at Calendly and Trendyol.

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