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Grai

Grai is ranked #4 of 38 in data lineage tools on Freedom251. It runs on API, Linux, Self-hosted, Web. There is a free plan.

Grai plans and pricing

Grai Cloud Free Run Grai Cloud for free github.com · 30 Sept 2026

Compared on data lineage tools

Free plan: Yes
Automated discovery: Yes
Column-level lineage: Yes
Impact analysis: Yes
Pipeline lineage: Yes
Report lineage: Yes
Deployment: self-hosted

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Grai

Purpose: Grai describes itself as a data lineage tool for understanding and testing how data relates across databases, warehouses, APIs, and dashboards.
Lineage: Grai says it can automatically build column-level lineage across warehouses and production services.
Data tests: Grai supports centralized data validation tests that run when upstream data sources change.
CI/CD: Grai provides GitHub Actions that can alert CI/CD workflows when production changes affect warehouses or dbt projects.
Integrations: Listed connectors include Snowflake, BigQuery, Redshift, Postgres, MySQL, SQL Server, dbt, Fivetran, flat files, Metabase, and Looker (alpha).
Deployment: The project says it is open source and can be self-hosted, including with Docker Compose or Kubernetes examples and Helm charts.
Cloud option: The repository says Grai Cloud is available to run for free.
Web application: The repository describes Grai’s frontend as a web application built with React.
Client: The Grai CLI is a Python client library for interacting with the Grai server.
License: The repository lists an MIT-0 license.
Privacy: Grai’s privacy policy says it collects email address, cookies, and usage data, and names AWS and Google Cloud Platform among its service providers.
Security: Grai’s privacy policy says it uses commercially acceptable means to protect personal data but cannot guarantee absolute security.
Support: The repository lists [email protected] for contact and points users to Slack and a community roadmap for requests and bug reports.
Company: Grai’s privacy policy identifies the operator as Grai.io, Inc.
Price from: Free

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Where it ranks on Freedom251

Best Data Lineage Tools in 2026#4 of 38

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Sources

github.com/grai-io/grai-core· checked 30 Sept 2026
grai.io/privacy-policy· checked 30 Sept 2026
grai.io· checked 28 Sept 2026