What Great Expectations does
GX Core is an open source framework for testing, validating, and documenting data quality across pipelines, workflows, and teams. It is the engine of the GX data quality platform. It supports Python and Jupyter notebooks and is intended for technical teams and data practitioners. Named features include Expectations, Data Docs that show visualizations and plain-language test results, and Actions, which can be defined alongside Expectations to block bad data or notify teams. Listed integrations include Apache Airflow, AWS S3, Databricks, Google Cloud Platform, Azure Blob Storage, PostgreSQL, and Snowflake. GX Core is licensed under Apache 2.0, and the page states it will always remain free.
How Great Expectations compares with its closest alternatives
4 of the 5 closest alternatives have a free plan, as Great Expectations does. Only Soda Core lists a starting price, $750 a month. All 5 offer an API, as Great Expectations does. Great Expectations offers a web app and a desktop app. Of the alternatives, 4 offer a web app and 1 offers a desktop app. Great Expectations was founded in 2019; the alternatives were founded between 2011 and 2021, 2 of them earlier. Great Expectations is based in San Francisco, United States; 1 of the 2 alternatives with a known headquarters is in the United States too, and the others in Belgium.