Best 34 Data Quality Tools for Snowflake (2026)

Native Snowflake data quality checks built on data metric functions (DMFs) and expectations, scheduled per table, with volume and freshness anomaly detection and AI-suggested checks from Cortex Data Quality.

Data + AI observability platform that connects to Snowflake with a read-only key-pair service user, or runs inside your account as a Snowflake Native App on Snowpark Container Services, with monitors and query-log lineage.

Autonomous data quality monitoring platform that runs inside your Snowflake account as a Snowflake Native App from the Marketplace, using unsupervised ML to monitor tables and object dependencies for lineage.

Data observability platform by Datadog that connects to Snowflake with a read-only user on a dedicated warehouse, or runs queries inside your account as a Snowflake Native App, monitoring the tables it can SELECT.

Autonomous data and AI platform that connects to Snowflake with a read-only role (key pair, password, or OAuth) and runs lightweight freshness, row count, and profiling queries on a warehouse, plus data quality rules.

Data quality control layer that connects to Snowflake through the JDBC driver with password or key-pair auth, running every query under a granted role and warehouse to profile and scan tables.

Open-source data quality operations center that connects over JDBC with a Snowflake user (optional warehouse and role) and runs profiling and monitoring checks for volume, freshness, and schema changes on imported tables.

Zero-code data quality software that scans each Snowflake data asset in place, computes ML-based data quality metrics and a trust score, and writes them to Snowflake object tags.

Agentic data quality and observability platform that connects to Snowflake with a key pair, password, or programmatic access token plus role and warehouse, and runs validators on selected tables or views on a polling schedule.

AI-native data quality platform that connects to Snowflake to process asset metadata and assess column-level data quality with anomaly detection.

Data quality product by Coalesce, built on SYNQ, that connects to Snowflake with a key-pair service user on an XSMALL warehouse, reads metadata and ACCOUNT_USAGE query logs, and reads rows only for custom monitors and SQL tests.

Enterprise data observability platform that connects with a Snowflake user to one database, with an optional warehouse and role, and runs scheduled metrics on tables, views, materialized views, and external tables.

AI-based data observability platform that connects to Snowflake with key-pair auth and SELECT, USAGE, and MONITOR grants, and detects anomalies and drift on tables and views, processing the data outside the warehouse.

Open-source data quality testing tools that connects to Snowflake with key-pair or password authentication and pushes read-only SQL queries into Snowflake to profile, test, and monitor tables.

Data pipeline observability platform that runs as a Snowflake Connected App that keeps its metadata in Snowflake and joins Snowflake lineage with other platforms in one pipeline view.

Open-source dbt package by Boomi that connects to Snowflake with a key-pair user created by a dbt macro and reads the Elementary schema, INFORMATION_SCHEMA metadata, and query history, without read access to your tables.

Data and AI observability control plane that connects to Snowflake with a read-only service user, reads ACCOUNT_USAGE for lineage, usage, and tags, and offers a Snowflake Native App in private preview.

Managed agentic data platform built on OpenMetadata that connects with a Snowflake user (password or key pair), reads metadata plus ACCOUNT_USAGE query and access history for lineage, and runs profiler and data quality workflows.

Open-source context platform that connects with a Snowflake user (password or key pair), reads metadata plus ACCOUNT_USAGE query and access history for lineage, and runs profiler and data quality workflows.

Agentic data trust platform that connects over JDBC and, with pushdown enabled, runs profiling, data quality evaluation, and monitoring projects directly in Snowflake on the connection's warehouse.

Enterprise AI trust platform that connects to Snowflake with a key-pair service user and warehouse, reads ACCOUNT_USAGE for lineage and metadata metrics, and runs metric queries on granted tables.

Data observability, quality, and lineage platform that connects to Snowflake with a key-pair user, role, and warehouse, collects metadata and profiles, and runs freshness, volume, field health, custom SQL, and schema drift monitors.

Managed data and AI control plane by Boomi that connects to Snowflake with a key-pair user created by a dbt macro and reads the Elementary schema, INFORMATION_SCHEMA metadata, and query history, without read access to your tables.

Self-hosted data observability platform with value-level data validation, column-level lineage, a data catalog, and a business glossary.

AI-native data quality platform built on data contracts that connects to Snowflake with a password, key pair, SSO, or OAuth, and runs scans that execute checks against the configured database, schema, and warehouse.

Open-source data contracts engine that connects to Snowflake with a password, key pair, SSO, or OAuth, and runs scans that execute checks against the configured database, schema, and warehouse.

AI-powered data engineering platform that connects to Snowflake with a key-pair service user, reads ACCOUNT_USAGE for discovery, and runs data diff queries in the warehouse, keeping scratch data in a DATAFOLD_TMP schema.

AI data review agent for dbt pull requests that connects with a password or key pair, role, and warehouse, and queries Snowflake directly to compare base and current environments in a data diff.

Open-source command-line tool for ODCS data contracts that tests Snowflake tables against an ODCS data contract with datacontract test, authenticating with a password or a private key set in DATACONTRACT_SNOWFLAKE_* variables.

Data product marketplace that connects to Snowflake with a key pair or access token to sync databases, schemas, tables, and semantic views as assets, and writes data contract tags and comments back.

Open-source Python data quality framework that connects to Snowflake with add_snowflake() using account, user, warehouse, role, and a private key, then validates tables or SQL queries as batches of data.

Open-source data validation library by Posit that validates Snowflake tables through its Ibis backend, installed with the snowflake extra.

Open-source DataFrame comparison library from Capital One that compares Snowpark DataFrames or Snowflake tables by name, joining them with EQUAL_NULL inside Snowflake and reporting differences.

Data tests built into open-source dbt Core that run as SQL in Snowflake through the dbt-snowflake adapter: generic tests such as unique and not_null, custom SQL tests, and unit tests.