My Data Testing Tools List

    Discover the best 12 data testing tools. The most comprehensive, actionable, and up-to-date list you'll find. Trust me.

    By Ari Bajo - Data Engineer turned Writer.

    Updated on April 29, 2026

    Great Expectations

    GX Cloud is a managed data quality platform with a library of expectations based on the open-source GX Core Python library, data profiling, scheduling, and anomaly detection.

    My Opinion

    Best for data teams looking for a mix of UI-managed tests and custom Python workflows to validate a mix of files, SQL databases, data warehouses, and in-memory DataFrames.

    Soda

    Soda Cloud is a flexible data quality platform based on the open-source Soda Core Python library with built-in metrics to write data tests, monitors, and contracts in YAML, a UI, or AI.

    My Opinion

    Best for data engineering teams looking to embed tests at every pipeline stage, quarantining failed records, and bi-directional integrations with data governance tools.

    AWS Glue Data Quality

    Managed data quality platform built on top of the open-source Deequ framework with data quality rulesets, scheduling, data quality dashboards, and anomaly detection.

    My Opinion

    Best for data teams using the AWS Glue Data Catalog and AWS Glue ETL jobs that want to monitor data quality at rest and in transit, with the possibility to quarantine data.

    Google CloudDQ

    Cloud-native data validation CLI with YAML-based data quality checks for BigQuery tables and GCS structured data.

    My Opinion

    Best for data teams looking for a BigQuery-native solution to write reusable SQL checks and consume data quality outputs programmatically.

    DQX by Databricks

    Data quality framework for Apache Spark with data quality rule generation from profiling results, YAML and Python-based data validation checks, and a data quality dashboard.

    My Opinion

    Best for Databricks users looking to validate PySpark DataFrames and Tables across Spark Core, Spark Structured Streaming, and Lakeflow Pipelines / DLT.

    DataKitchen

    Open-source data testing and observability platform with automated test generation, data profiling, and anomaly detection.

    My Opinion

    Best for data teams looking for a cost-effective data testing and observability solution that also offers DataOps training services.

    Monte Carlo

    Leading data observability platform with data monitors, anomaly detection, customizable data quality dashboards, and column-level lineage.

    My Opinion

    Best for data teams with a big budget looking for a mature and customizable data observability platform that also offers AI observability.

    DQLabs

    Unified data quality and observability platform with anomaly detection, data quality checks, end-to-end data lineage, and pipeline observability.

    My Opinion

    Best for enterprises looking for unified data quality and observability that integrates with modern data catalogs and issue management tools.

    DQOps

    Open-source data quality testing and observability platform with data quality checks, monitors, data lineage with Marquez, data quality dashboards, and incident management.

    My Opinion

    Best for data teams looking to customize built-in data quality checks and data quality dashboards with Looker Studio to monitor data quality KPIs.

    Collate

    Unified metadata platform built upon the open-source OpenMetadata project with data discovery features, observability metrics, column-level lineage, and governance workflows.

    My Opinion

    Best for data teams looking for a unified enterprise solution to data discovery, observability, and governance with a wide range of integrations.

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    By Ari Bajo - Data Engineer turned Writer.

    SelectZero

    Comprehensive data observability platform with data validation, data profiling, column-level data lineage, a data catalog, and a business glossary.

    data testingdata observabilitydata lineagedata catalog
    My Opinion

    Best for enterprises looking for a data quality tool that can be easily self-hosted with a Docker deployment.

    Ataccama ONE

    Data trust platform with data quality evaluation rules, anomaly detection, data lineage, a data catalog, and master data management.

    My Opinion

    Best for organizations looking to scale data management initiatives with enterprise master data management, data quality, and data governance.

    Frequently Asked Questions

    What is a data testing tool?
    A data testing tool lets you define and run checks that compare data against expectations — for example, that a column is never null, values fall within a range, or row counts match expectations. Unlike data monitors that rely on historical baselines, data tests use hardcoded thresholds and are typically run as part of a CI/CD pipeline or after a data transformation job. Common types include SQL table tests, DataFrame tests, data contracts, and data comparison tests. Read more on my data quality tool market guide.
    Why create yet another tools list?
    I found no comprehensive, actionable, and up-to-date list of data quality tools. The MAD Landscape misclassifies 3 out of 19 data quality and observability tools. The Gartner Magic Quadrant for augmented data quality solutions lists 13 tools, half of which are enterprise data platforms, and I need to enter my professional email on a featured tool's website to get access to a reprint. To access the Forrester Landscape with an overview of 29 data quality solutions I need to pay $2995. Other lists by vendors contain a random sample of less than 10 tools, are written by AI, are highly biased, or are never updated.
    How can I edit this tools list?
    If you think a tool belongs here or you want to suggest an edit, I would love to hear from you. You can fill up the feedback form or contact me on LinkedIn.