Best 30 Data Quality Tools for PostgreSQL (2026)

Managed agentic data platform built on OpenMetadata that connects to PostgreSQL with a password or IAM auth, reads pg_stat_statements for usage and lineage, and schedules profiler and data quality workflows.

Open-source context platform that connects with a password or IAM auth, reads pg_stat_statements for usage and lineage, and schedules profiler and data quality workflows.

Enterprise AI trust platform that connects to PostgreSQL with a read-only role and SELECT grants, then profiles tables to set metrics and thresholds automatically.

Data and AI observability control plane that connects to PostgreSQL as a login role, optionally through the Sifflet Agent, reads schema metadata, and runs read-only SELECT queries to compute monitors.

Data observability, quality, and lineage platform that connects to PostgreSQL with a read-only role with USAGE and SELECT grants, and runs profiling plus freshness, volume, field health, and custom SQL monitors.

Managed data and AI control plane by Boomi that connects to PostgreSQL with a user that reads the Elementary schema created by the dbt package plus INFORMATION_SCHEMA metadata and query history, without read access to your tables.

Agentic data trust platform with data quality rules, observability, a data catalog, lineage, master data management, and a built-in AI agent.

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

Data + AI observability platform that connects to PostgreSQL with a read-only role over optional TLS, collects table metadata hourly, and runs custom SQL, metric, and validation monitors.

Data quality control layer that connects with the PostgreSQL JDBC driver, reads the information schema, and runs profiling and quality operations on the tables it discovers.

Open-source data quality operations center that connects with a PostgreSQL user and sslmode, imports schemas and tables, and runs the profiling and monitoring checks it activates on them.

Data observability platform by Datadog that connects to PostgreSQL with a user in a group granted pg_monitor and SELECT on tables, from allowlisted IPs or through an SSH tunnel.

Agentic data quality and observability platform that connects to PostgreSQL with a stored credential and SSL mode, and validators poll the selected tables on a schedule.

Data quality product by Coalesce, built on SYNQ, that connects to PostgreSQL as a dedicated user, reads pg_catalog for tables plus row counts and sizes from planner statistics, and needs SELECT only for custom SQL monitors and profiling.

Enterprise data observability platform that connects to PostgreSQL with a role that can query data and metadata, and scans schemas hourly, daily, or weekly.

Open-source data quality testing tools that connects to PostgreSQL with a database user and pushes read-only SQL queries into the database to profile, test, and monitor tables.

Autonomous data and AI platform that connects with a PostgreSQL user, crawls the selected schemas for schema and table assets, and can analyze query logs.

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

Autonomous data quality monitoring platform where AI agents monitor, investigate, and report issues across structured and unstructured data.

Zero-code data quality software where AI agents auto-discover rules, validate and reconcile data, and score data trust across sources.

AI-native platform combining data observability, data quality checks, and business context, with anomaly detection, end-to-end lineage, and pipeline observability.

AI-native data quality platform built on data contracts that connects to PostgreSQL with a data source of type postgres (optional schema and sslmode) and runs quality scans over that connection.

Open-source data contracts engine that connects to PostgreSQL with a data source of type postgres (optional schema and sslmode) and runs quality scans over that connection.

AI-powered data engineering platform that connects to PostgreSQL with a role that reads all tables and writes to a datafold_tmp schema, where data diffs keep their scratch tables.

Open-source command-line tool for ODCS data contracts that tests PostgreSQL tables with a username and password, taking host, database, and schema from the contract's servers block.

Data product marketplace that syncs PostgreSQL schemas, tables, and views with column metadata as assets on a schedule, with include and exclude filters.

Open-source Python data quality framework that connects to PostgreSQL with add_postgres() and a psycopg2 connection string, then validates tables or SQL queries as batches of data.

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

Open-source profiling library with a Rust core that profiles the result of a PostgreSQL query through its postgres feature, loading the result in memory first.

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