Great Expectations

About

Open-source data quality framework. Validate, document, and profile your data to ensure quality and reliability.

• Expectation Suite (grouped assertions for a single data asset)
• Data Docs auto-generated HTML reports
• Built-in data profiling (fast, stats-based)
• Cross-backend support (Pandas, Spark, SQL, Snowflake, BigQuery, Redshift, Postgres, MySQL)
• Action-based validation (send Slack, email, or invoke Airflow DAG on failure)
• Expectation Store for versioning and persistence of suites
• Data Context API for configuration and project structure