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CloudQuery vs Estuary Flow

The same facts for both, read from GitHub every night, and the relation a person reviewed.

CloudQueryEstuary Flow
LanguageGoRust
LicenceMPL-2.0Other
Stars6.5k982
Latestcli-v6.43.0v0.6.13
Last push2026-10-062026-10-06
Release cadenceabout 4 days between releasesabout 22 days between releases
Active contributors6 commit authors on the default branch in the last 90 days19 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Fivetran. Alternatives to Fivetran →

    PartialCloudQueryELT from cloud provider APIs and SaaS sources into databases, run from a CLI with plugins.

    PartialEstuary FlowReal-time CDC and batch connectors into warehouses and other destinations.