8 Best Open Source Data Profiling Tools in 2025

To streamline processes like data cleansing, integration, and exploration, organizations increasingly rely on open source data profiling tools. Over time, data profiling has become a vital step in preparing datasets for projects, playing a crucial role in data transformation, migration, warehousing, and business intelligence initiatives. If you’re searching for top-tier open source data profiling tools, you’re in the right place. This article highlights the 8 best open source data profiling tools in 2025 to help you simplify and enhance your data workflows.

Open Source Data Profiling Tools

Best Open Source Data Profiling Tools – 1. Talend Open Studio

Talend Open Studio is one of the most popular open source data integration and data profiling tools that performs simple ETL and data integration tasks in bulk or in real time.

Some of the capabilities of the tool include cleaning and managing data, analyzing the characteristics of text fields, and instantly integrating data from any source. One of the unique value propositions of this tool is its ability to advance matching with time series data. In addition, Open Profiler provides an intuitive user interface that displays a series of graphs and tables showing the analysis results for each data element.

While Talend Open Studio is free for all users, other paid versions of the tool have advanced features and cost between $1,000 and $1,170 per month.

https://www.talend.com/

Best Open Source Data Profiling Tools – 2. DataCleaner

DataCleaner is a versatile open-source data quality toolkit designed to help users profile, cleanse, and enrich their data. It is particularly valued for its strong data profiling capabilities, which include identifying patterns, missing values, and data characteristics such as character sets.

DataCleaner excels in data quality analysis by inspecting data for completeness, integrity, and distribution patterns. It helps users identify anomalies and measure data quality across different dimensions like uniqueness and consistency.

The tool is easy to set up and can be run on various platforms, including Windows, Linux, and macOS. Users can quickly load data from multiple sources, including databases and flat files such as CSV.

DataCleaner is ideal for teams looking for a cost-effective, open-source solution to address ad-hoc data quality challenges or to integrate as part of broader data analysis workflows. However, it is recommended for use in standalone data profiling tasks rather than as a persistent component in large-scale architectures

https://datacleaner.github.io/

Best Open Source Data Profiling Tools – 3. Open Source Data Quality and Profiling

As a data quality and data preparation solution, Open Source Data Quality and Profiling provides a high-performance integrated data management platform that performs data profiling, data preparation, metadata discovery, anomaly discovery, and more.

Originally a data quality and preparedness tool, it now has data governance, data-rich changes, real-time alerts, and more. Today, the tool also enables Hadoop to transfer files between Hadoop grids for seamless processing of large amounts of data.

https://dbmstools.com/tools/open-source-data-quality-and-profiling

Best Open Source Data Profiling Tools – 4. OpenRefine

OpenRefine, formerly known as Google Refine and Freebase Gridworks, is an open source tool for dealing with messy data. Launched in 2010, OpenRefine’s active community has been dedicated to enhancing data profiling tools for users to keep them relevant to their changing needs.

Supported in more than 15 languages, OpenRefine is a Java-based tool that allows users to load, cleanse, coordinate, and understand data. To ensure improved data profiling, it has also added information from the web. For heavy data conversions, users can take advantage of the GREL, Python, and Clojure.

https://openrefine.org/

Best Open Source Data Profiling Tools – 5. DataMatch Enterprise

As a popular toolkit for code-free profiling, cleansing, matching, and deduplication, DataMatch Enterprise provides a highly visual data cleansing application specifically designed to address customer and contact data quality issues. The platform leverages a variety of proprietary and standard algorithms to recognize speech, obfuscation, false keys, abbreviations, and domain-specific variants.

While DataMatch Enterprise (DME) is free to download, other versions, such as DataMatch Enterprise Server (DMES), are available for a certain price after pre-ordering the demo.

Best Open Source Data Profiling Tools – 6. Ataccama

As an enterprise data quality fabric solution that helps build agile, data-driven organizations, Ataccama offers a free, open source data profiling tools that include features that enable users to analyze data directly from the browser, advanced analytics metrics including foreign key analysis, performing transformations on any data, and more.

The platform also uses ARTIFICIAL intelligence to detect anomalies during data loading to notify data problems, and focuses on several aspects of data profiling, including different modules such as Ataccama DQ analyzers to simplify data profiling. The community is making further efforts to improve data profiling with upcoming modules such as data preparation and freemium data catalog.

https://www.ataccama.com/

Best Open Source Data Profiling Tools – 7. Apache Griffin

As an open source data quality solution for big data to unify the process of measuring data quality from different perspectives, Apache Griffin also supports batch and stream modes to meet different data analysis requirements. Griffin provides a set of predefined data quality domain models to address a broader range of data quality issues, which enables companies to accelerate data profiling on a large scale.

https://griffin.apache.org/

Best Open Source Data Profiling Tools – 8. Power MatchMaker

As an open source Java-based data cleansing tool created primarily for data warehouse and customer relationship management (CRM) developers, Power MatchMaker allows you to cleanse data, validate, identify, and delete duplicate records.

Highly designed to address the challenges that arise during customer relationship management (CRM) and data warehouse integration, Power MatchMaker is the preferred solution for transforming key dimensions, merging duplicate data, and building cross-reference tables.

The Power MatchMaker tool is free to download and use, and provides production support and training at a reasonable price.

Conclusion

Thank you for reading our article and we hope it can help you to find the best open source data profiling tools in 2025. If you want to learn more about data profiling, we would like to advise you to visit Gudu SQLFlow for more information.

As one of the best data lineage tools available on the market today, Gudu SQLFlow can not only analyze SQL script files, obtain data lineage, and perform visual display, but also allow users to provide data lineage in CSV format and perform visual display.