# Top Free Machine Learning Data Catalog Software Check out our list of free Machine Learning Data Catalog Software. Products featured on this list are the ones that offer a free trial version. As with most free versions, there are limitations, typically time or features. If you'd like to see more products and to evaluate additional feature options, compare all [Machine Learning Data Catalog Software](https://www.g2.com/categories/machine-learning-data-catalog) to ensure you get the right product. ## View Free Machine Learning Data Catalog Software G2 takes pride in showing unbiased reviews on user satisfaction in our ratings and reports. We do not allow paid placements in any of our ratings, rankings, or reports. Learn about our [scoring methodologies](https://research.g2.com/g2-scoring-methodologies). **25** Machine Learning Data Catalog Products Available View all [Machine Learning Data Catalog Software](https://www.g2.com/categories/machine-learning-data-catalog) View all [Machine Learning Data Catalog Software](https://www.g2.com/categories/machine-learning-data-catalog) ### [Alation](https://www.g2.com/products/alation/reviews) [By Alation](https://www.g2.com/sellers/alation) [ (91)4.4 out of 5 ](https://www.g2.com/products/alation/reviews#reviews "Read Alation Reviews") Product Description Alation is the creator of AIOS™, the open, governed, self-improving intelligence operating system for enterprises that cannot afford to get AI wrong. Having pioneered the data catalog market, Alation **Industries:** Information Technology and Services, Financial Services · **Market Segment:** 57% Enterprise, 27% Mid-Market VK The thing that appeals to me most about Alation is that it is a user-friendly tool with superior data catalog capabilities. It is also very cost...[Read review](https://www.g2.com/products/alation/reviews/alation-review-8112068) ![Verified User in Financial Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Financial Services") AF What is most helpful about it is how simple it is to add policies and terms to the catalog. Combining this with easy data dictionary upload helps...[Read review](https://www.g2.com/products/alation/reviews/alation-review-8512695) Year Founded 2012 HQ Location Redwood City, CA Company Website https://alation.com Twitter @Alation LinkedIn® Page https://www.linkedin.com/company/3231829/ ### [AWS Glue](https://www.g2.com/products/aws-glue/reviews) [By Amazon Web Services (AWS)](https://www.g2.com/sellers/amazon-web-services-aws-3e93cc28-2e9b-4961-b258-c6ce0feec7dd) [ (202)4.3 out of 5 ](https://www.g2.com/products/aws-glue/reviews#reviews "Read AWS Glue Reviews") Product Description AWS Glue is a serverless data integration service that makes it easier for analytics users to discover, prepare, move, and integrate data from multiple sources for analytics, machine learning, and app **Users:** Data Engineer, Software Engineer · **Industries:** Information Technology and Services, Computer Software · **Market Segment:** 49% Enterprise, 29% Mid-Market ![Verified User in Manufacturing](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Manufacturing") UM Glue it helps on more of my ETL transformation jobs. Dynamic framework offers me to work with semi structured and structured data. and generated...[Read review](https://www.g2.com/products/aws-glue/reviews/aws-glue-review-8935690) ![Verified User in Financial Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Financial Services") AF The glue allow users to integrate data very conveniently, data transformation and job scheduling ability is excellent[Read review](https://www.g2.com/products/aws-glue/reviews/aws-glue-review-8987210) Year Founded 2006 HQ Location Seattle, WA Company Website https://aws.amazon.com/?nc2=h\_lg Twitter @awscloud LinkedIn® Page https://www.linkedin.com/company/amazon-web-services/ Ownership NASDAQ: AMZN [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) ### [Secoda](https://www.g2.com/products/secoda/reviews) [By Secoda](https://www.g2.com/sellers/secoda) [ (55)4.5 out of 5 ](https://www.g2.com/products/secoda/reviews#reviews "Read Secoda Reviews") Product Description Secoda is an AI-powered data governance platform designed to help organizations explore, understand, and utilize their data effectively. By providing a comprehensive platform that connects to 75+ data **Industries:** Computer Software, Financial Services · **Market Segment:** 65% Mid-Market, 18% Small-Business ![Verified User in Computer Software](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Computer Software") UC Very good service! It's like Jira and it is very easy to be organized with this company. Really appreciate their service and how easy it is to use...[Read review](https://www.g2.com/products/secoda/reviews/secoda-review-7323406) ![Daniel V.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Daniel V.") DV Easy to use, simple, clear straightforward, great metadata integrations, great customer support, really commited people behind, price[Read review](https://www.g2.com/products/secoda/reviews/secoda-review-7680402) Year Founded 2021 HQ Location Toronto, CA Company Website https://www.secoda.co Twitter @SecodaHQ LinkedIn® Page https://www.linkedin.com/company/secodahq/about ### [Coginiti](https://www.g2.com/products/coginiti/reviews) [By Coginiti Corp](https://www.g2.com/sellers/coginiti-corp) [ (29)4.5 out of 5 ](https://www.g2.com/products/coginiti/reviews#reviews "Read Coginiti Reviews") Product Description Coginiti is a SQL-first collaborative data operations platform that empowers teams to build, publish, and consume quality data products, streamlining the data analytics lifecycle from inception to ins **Market Segment:** 66% Enterprise, 28% Mid-Market ![Tabresh R.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Tabresh R.") TR The ease of accessing the hadoop tables and explore them is really nice. This helps in understanding how tables are laid out and creating Hive...[Read review](https://www.g2.com/products/coginiti/reviews/coginiti-review-5405050) PP - User friendly: easy to create connection with my work cloud accounts - Cogniti helps you to write your codes and review them easily because the...[Read review](https://www.g2.com/products/coginiti/reviews/coginiti-review-9002344) Year Founded 2020 HQ Location Atlanta , GA Company Website https://www.coginiti.co Twitter @coginiti LinkedIn® Page https://www.linkedin.com/company/coginiti ### [Coalesce Catalog (formerly CastorDoc)](https://www.g2.com/products/castor-doc/reviews) [By Coalesce](https://www.g2.com/sellers/coalesce) [ (64)4.7 out of 5 ](https://www.g2.com/products/castor-doc/reviews#reviews "Read Coalesce Catalog (formerly CastorDoc) Reviews") Product Description Coalesce Catalog is a collaborative, automated data discovery & catalog tool. We believe that data people spend way too much time trying to find and understand their data. Coalesce Catalog **Industries:** Information Technology and Services, Financial Services · **Market Segment:** 59% Mid-Market, 27% Enterprise ![Bharathi J.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Bharathi J.") BJ Capture and integrate data from any source Monitor study health and progress through real-time reporting Gain efficiency, visibility and data...[Read review](https://www.g2.com/products/castor-doc/reviews/coalesce-catalog-formerly-castordoc-review-7303640) ![Verified User in Religious Institutions](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Religious Institutions") AR Extremely easy to configure and set up for streaming to multiple locations[Read review](https://www.g2.com/products/castor-doc/reviews/coalesce-catalog-formerly-castordoc-review-7343912) Year Founded 2020 HQ Location San Francisco, CA Company Website https://coalesce.io/ LinkedIn® Page https://www.linkedin.com/company/coalesceio/ ### [Select Star](https://www.g2.com/products/select-star/reviews) [By Select Star](https://www.g2.com/sellers/select-star) [ (55)4.5 out of 5 ](https://www.g2.com/products/select-star/reviews#reviews "Read Select Star Reviews") Product Description Select Star is a modern data governance platform that helps organizations manage and understand their data at scale, enabling AI, analytics, and self-service across the business. It automatically c **Industries:** Information Technology and Services, Real Estate · **Market Segment:** 51% Mid-Market, 38% Enterprise ![Verified User in Financial Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Financial Services") AF 1. Data Lineage across systems 2. Popular joins/queries which allows for self-serve discoverability 3. Documentation[Read review](https://www.g2.com/products/select-star/reviews/select-star-review-6777968) ![Verified User in Real Estate](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Real Estate") UR very easy to use. Non-tech people can use and contribute to data catalog.[Read review](https://www.g2.com/products/select-star/reviews/select-star-review-6825444) Year Founded 2020 HQ Location San Francisco, CA Company Website https://www.selectstar.com Twitter @selectstarhq LinkedIn® Page https://www.linkedin.com/company/selectstarhq/ ### [IBM watsonx.data intelligence](https://www.g2.com/products/ibm-watsonx-data-intelligence/reviews) [By IBM](https://www.g2.com/sellers/ibm) [ (29)4.2 out of 5 ](https://www.g2.com/products/ibm-watsonx-data-intelligence/reviews#reviews "Read IBM watsonx.data intelligence Reviews") Product Description IBM watsonx.data intelligence revolutionizes the way organizations curate, manage, and utilize data by leveraging the power of AI to simplify data delivery across hybrid ecosystems. IBM watsonx.da **Market Segment:** 38% Small-Business, 34% Enterprise ![Verified User in Computer Software](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Computer Software") CC Its compatible with any technology. From blood ailments,to cancer,aids to weather forecast,to teaching to engineering and industrial services it...[Read review](https://www.g2.com/products/ibm-watsonx-data-intelligence/reviews/ibm-watsonx-data-intelligence-review-1947330) ![Verified User in Information Technology and Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Information Technology and Services") UI IBM Watson Knowledge Catalog automatically saves data assets. Best for data engineers, data scientists, business analysts as it lets you find,...[Read review](https://www.g2.com/products/ibm-watsonx-data-intelligence/reviews/ibm-watsonx-data-intelligence-review-2100544) Year Founded 1911 HQ Location Armonk, New York, United States Company Website https://www.ibm.com Twitter @IBMSecurity LinkedIn® Page https://www.linkedin.com/company/1009/ Ownership SWX:IBM Phone 1-866-277-7488 ### [Sifflet](https://www.g2.com/products/sifflet/reviews) [By Sifflet](https://www.g2.com/sellers/sifflet) [ (54)4.3 out of 5 ](https://www.g2.com/products/sifflet/reviews#reviews "Read Sifflet Reviews") Product Description Sifflet is the control plane for Data and AI. Data teams spend too much time firefighting — bad data reaches the business before anyone catches it, root cause takes days, and the fix is invisible to **Industries:** Information Technology and Services, Computer Software · **Market Segment:** 76% Mid-Market, 24% Enterprise ![Verified User in Electrical/Electronic Manufacturing](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Electrical/Electronic Manufacturing") AE Capacity to create&deploy DQ monitor rules easily from UI or using deploy as code module Capacity to add multiple tag values on any DQ monitor...[Read review](https://www.g2.com/products/sifflet/reviews/sifflet-review-10237225) LS Sifflet provides a robust data observability, mechanism, and this includes automated monitoring, of datasets, pipelines and others The interface,...[Read review](https://www.g2.com/products/sifflet/reviews/sifflet-review-12817611) Year Founded 2021 HQ Location Paris, Ile-de-France Company Website https://www.siffletdata.com/ Twitter @Siffletdata LinkedIn® Page https://www.linkedin.com/company/sifflet/ ### [DataHub](https://www.g2.com/products/datahub/reviews) [By DataHub](https://www.g2.com/sellers/datahub) [ (8)4.4 out of 5 ](https://www.g2.com/products/datahub/reviews#reviews "Read DataHub Reviews") Product Description DataHub is an event-driven AI and Data Context Platform designed to unify discovery, governance, and observability across an organization’s entire data estate. Unlike traditional data catalogs, DataHu **Market Segment:** 63% Mid-Market, 25% Enterprise ![Ada D.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Ada D.") AD When we were tasked with choosing a data cataloging solution, we compared several different companies, and no competitor came close to Acryl. Other...[Read review](https://www.g2.com/products/datahub/reviews/datahub-review-8173783) ![Verified User in Financial Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Financial Services") UF Easy to setup Connected to wide number of tools Free to use - Open source[Read review](https://www.g2.com/products/datahub/reviews/datahub-review-8738003) Year Founded 2013 HQ Location Palo Alto, California Company Website https://datahub.com/ Twitter @DataHubCloud LinkedIn® Page https://www.linkedin.com/company/datahub-cloud/ ### [DataGalaxy](https://www.g2.com/products/datagalaxy/reviews) [By DataGalaxy](https://www.g2.com/sellers/datagalaxy) [ (63)4.8 out of 5 ](https://www.g2.com/products/datagalaxy/reviews#reviews "Read DataGalaxy Reviews") Product Description Founded in France and rapidly expanding across Europe and the United States, DataGalaxy is trusted by over 200 global enterprises, including Dior, Airbus, and SwissLife. The company is committed to dr **Industries:** Insurance, Banking · **Market Segment:** 54% Enterprise, 43% Mid-Market ![Louis-Alban R.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Louis-Alban R.") LR Ergonomy for the end users and data community. Very easy to install and customize. Very useful for our company to deploy a data...[Read review](https://www.g2.com/products/datagalaxy/reviews/datagalaxy-review-8335630) CC Ergonomics, intuitive, easy to use, better understanding of our data, transversality between business and IT[Read review](https://www.g2.com/products/datagalaxy/reviews/datagalaxy-review-8370766) Year Founded 2015 HQ Location Lyon, Rhone-Alpes Company Website https://www.datagalaxy.com Twitter @DataGalaxy LinkedIn® Page https://www.linkedin.com/company/datagalaxy/ ### [Denodo](https://www.g2.com/products/denodo/reviews) [By Denodo](https://www.g2.com/sellers/denodo) [ (47)4.3 out of 5 ](https://www.g2.com/products/denodo/reviews#reviews "Read Denodo Reviews") Product Description Denodo is a leader in data management. The award-winning Denodo Platform is the leading logical data management platform for transforming data to trustworthy insights and outcomes for all data-related **Industries:** Financial Services, Information Technology and Services · **Market Segment:** 47% Enterprise, 30% Mid-Market ![Prakher B.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Prakher B.") PB Performance,real time access,cache performance,execution plan which help to imrove performance level wise.[Read review](https://www.g2.com/products/denodo/reviews/denodo-review-4266461) ![Ankur S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Ankur S.") AS User friendly, connectivity with other tools, its power of data integration from different kind of data sources, security and it's scheduler.[Read review](https://www.g2.com/products/denodo/reviews/denodo-review-4267031) Year Founded 1999 HQ Location Palo Alto, CA Company Website https://www.denodo.com Twitter @denodo LinkedIn® Page https://www.linkedin.com/company/32150/ ### [Validio](https://www.g2.com/products/validio/reviews) [By Validio](https://www.g2.com/sellers/validio) [ (17)5.0 out of 5 ](https://www.g2.com/products/validio/reviews#reviews "Read Validio Reviews") Product Description Validio helps Fortune 2000 enterprises and leading tech companies like Nordea, AllianceBernstein, Walden, Point Predictive, and Truecaller improve the reliability of their analytical and operational d **Industries:** Computer Software · **Market Segment:** 59% Mid-Market, 29% Small-Business ![Tim J.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Tim J.") TJ Easy to setup actionable alerts. As a company using data and ML to provide value to our customers, it's critital that we get notified and can act...[Read review](https://www.g2.com/products/validio/reviews/validio-review-10526726) ![Elvin G.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Elvin G.") EG "Very easy to set up a 'standard' set of validation programatically for any new dataset that we bring into our platform Super knowledgable and...[Read review](https://www.g2.com/products/validio/reviews/validio-review-10527049) Year Founded 2019 HQ Location Stockholm, SE Company Website https://validio.io/ Twitter @Validio\_Data LinkedIn® Page https://www.linkedin.com/company/validio-ab/ ### [Promethium](https://www.g2.com/products/promethium/reviews) [By Promethium](https://www.g2.com/sellers/promethium) [ (13)4.2 out of 5 ](https://www.g2.com/products/promethium/reviews#reviews "Read Promethium Reviews") Product Description Promethium delivers self-service data at AI scale through its revolutionary Instant Data Fabric™ — the first agentic platform purpose-built for modern enterprises. Unlike traditional data architecture **Market Segment:** 46% Mid-Market, 31% Enterprise ![Tulika .](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Tulika .") T The best part of promethium is that it help us to create one source of truth and sole source for all the insight we need from our data. GenAI is...[Read review](https://www.g2.com/products/promethium/reviews/promethium-review-8335269) RE The AI integration with our analytics data is just awesome! It helps us in many different ways.[Read review](https://www.g2.com/products/promethium/reviews/promethium-review-8395615) Year Founded 2018 HQ Location Menlo Park, US Company Website https://www.promethium.ai Twitter @PromethiumI LinkedIn® Page https://www.linkedin.com/company/pm61data/ ### [Datameer](https://www.g2.com/products/datameer/reviews) [By Datameer](https://www.g2.com/sellers/datameer) [ (24)4.2 out of 5 ](https://www.g2.com/products/datameer/reviews#reviews "Read Datameer Reviews") Product Description Datameer revolutionizes data transformation with a low-code approach, trusted by top global enterprises. Craft, transform, and publish data seamlessly with no code and SQL, simplifying complex data en **Industries:** Information Technology and Services · **Market Segment:** 63% Enterprise, 21% Mid-Market ![Mary G.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Mary G.") MG Datameer Spectrum connects to a multitude of data sources making it a great data integration solution. Very easy GUI lets us design complex ETL...[Read review](https://www.g2.com/products/datameer/reviews/datameer-review-4736924) Year Founded 2009 HQ Location San Francisco, CA Company Website https://www.datameer.com Twitter @datameer LinkedIn® Page https://www.linkedin.com/company/972396/ ### [ThinkData Works](https://www.g2.com/products/thinkdata-works/reviews) [By ThinkData Works](https://www.g2.com/sellers/thinkdata-works) [ (14)4.6 out of 5 ](https://www.g2.com/products/thinkdata-works/reviews#reviews "Read ThinkData Works Reviews") Product Description ThinkData Works offers a data catalog platform designed to improve the process of connecting, managing, and sharing data. Cut costs and improve productivity with unique features for virtualizing ent **Market Segment:** 64% Mid-Market, 36% Small-Business ![Verified User in Online Media](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Online Media") IO It was way easy to model and transform huge data volumes with ease. It helped with data governance and overall security for our entire database....[Read review](https://www.g2.com/products/thinkdata-works/reviews/thinkdata-works-review-7929386) ![Rakshith N.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Rakshith N.") RN ThinkData is very useful for representing any dataset with metadata and multi variety Extract Transform load(ETL) capabilites.[Read review](https://www.g2.com/products/thinkdata-works/reviews/thinkdata-works-review-7947649) Year Founded 2014 HQ Location Toronto, CA Company Website https://www.thinkdataworks.com Twitter @thinkdataworks LinkedIn® Page https://www.linkedin.com/company/9217518 [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. 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