Castor is a cloud-based collaborative data discovery tool for companies. It provides a plug-and-play and collaboration tool that enable enterprises to document all the knowledge related to data within the company with lineage, data catalog, search, GDPR, & data management features. Monetizes through subscription-based pricing plans.

Castor is a collaborative, automated data discovery tool. With Castor, your data is documented and discoverable by everyone in your team.

Metaphor is a search and discovery tool built for data scientists, data engineers, and AI practitioners. It aims to help all organizations better understand and manage their data through the power of the metadata knowledge graph.

Metaphor is a search and discovery tool built for data scientists, data engineers, and AI practitioners.

Secoda is a cloud based data discovery and management solutions provider. The product automatically documents, manages, and discovers data. The features of the product include collaborations, no code integrations, auto generation of data lineage, related tables, and other key information, notifications on outdated, undocumented, and duplicate data, etc.

Secoda is a collaborative workspace for data teams that makes it easy to share metadata, queries, charts, and documentation with any employee.

Atlan is a modern data collaboration workspace (like Github for engineering or Figma for design). By acting as a virtual hub for data assets ranging from tables and dashboards to models & code, Atlan enables teams to create a single source of truth for all their data assets, and collaborate across the modern data stack through deep integrations with tools like Slack, BI tools, data science tools and more. Atlan has been recognized as a Gartner Cool Vendor in the inaugural report on DataOps, one of the top 3 companies globally.

Atlan is a modern data workspace that helps data teams collaborate and democratize their enterprise data.

Open-source data discovery and metadata platform. Data engineers and analysts can search for data within the organization by a simple text search and the page rank search algorithm recommends results based on names, descriptions, tags, and querying/viewing activity on the table/dashboard. Also, it allows to build trust in data using automated metadata.

Amundsen is a metadata driven application for improving the productivity of data analysts, data scientists and engineers when interacting with data.

Alation provides a data cataloging platform. It automatically builds a catalog of useful data documentation, covering all of the data sources, and allows users to collaborate and work on the data. It processes enterprise unstructured data by centralizing knowledge into a single place using machine learning and human analysts. The search can be made using keywords in plain English. Enables users to access relevant information (including experts, lineage, keys and indexes, relevant queries) and documentation on all tables, across the organization’s data sources. The clients include PepsiCo, Dow, Fox Networks, BMW and others.

Alation data catalog is an exhaustive solution for metadata storage and data querying.

A data collaboration tool that allows users to centralize data dictionaries, ask questions regarding essential data knowledge, clarify user hierarchy, and share analytics.

Making data understandable and usable by anyone within an organization.


Amundsen is the leading open-source data catalog. It has the largest and fastest-growing community and the most integrations. Stemma brings you Amundsen and more, with enterprise management and richer metadata.

Stemma is a fully managed data catalog with automated metadata, personalized experience, and enterprise management - powered by the leading open-source data catalog, Amundsen. With Stemma, it's easy to make data-based decisions with absolute confidence. 

Open Standard for Metadata with Centralized Metadata store, Discover, Collaborate and Get your data right.

A single place for all your data - Discover, Understand, and Enrich.


Alteryx is a provider of cloud-based analytics business suite solutions. The features of the product include analytics, data management, data preparation, geospatial analysis, prescriptive analysis, dashboards, reporting, predictive analytics, etc. It provides an analytics business suite for finance, operations, sales, communications, retail, and marketing used in restaurants, real estate, healthcare, financial services, and hospitality. The clients of the company include DELL, Vodafone, Johnson Controls, HYATT, etc.

Alteryx is a data cataloging & analytics company based in the USA. Alteryx accelerates digital transformation by unifying analytics, data science,  and automated processes. 

Data Catalog is a fully managed, scalable metadata management service in Google Cloud's Data Analytics family of products.
Use Data Catalog to perform a search of data assets, such as datasets, tables, views, and Pub / Sub topics in your Google Cloud projects

Google Cloud Data Catalog is a fully managed cloud service with data discovery and metadata management capabilities. 

Find, Share and Publish Quality Data Online. The fastest way for individuals, teams and organizations to publish, deploy and share their data.

Data hub is a tool to create & use quality data.

Infogix provides a real-time data analysis platform for enterprises to improve customer experience. The platform provides products for data governance, data integration, validation of enterprise information, transaction monitoring, identity matching & behaviour profiling, and predictive modeling. Primarily caters to healthcare, financial services, insurance, media &amp; communication sectors.

Infogix offers data 360 a platform with data cataloging & data governance features.

Provider of the data discovery software solution. It provides an intelligent data discovery platform that allows data discovery and analytics. It also provides data catalogs, data transparency & visibility, auto-detects and displays the column-level data lineage, data security & governance for maintaining confidentiality.

Select Star is an intelligent data discovery platform that helps you understand your data - where it lives, how it's structured, and how it's used.

Ataccama provides data quality (DQ), master data management, and data governance software solutions and services. Products include data quality analyzer, data profiling application; Data Quality Center to address a range of data quality issues from data cleansing to matching; and Master Data Center, a platform optimized for transactional environments, which makes consistent and up-to-date data available across a range of enterprise applications and internal systems. Some notable clients include American Airlines, GE Capital, AirPlus, Lloyds Bank, some prestigious US banks, as well as largest local players in telecommunications, banking (CSOB, KB, and others) and healthcare industry.

Ataccama Corporation is an international software company that prides itself in delivering cutting-edge technology used for data quality, master data management, data governance, and big data. 

Collibra is a data intelligence solution provider. It offers a cloud-based platform that connects IT and the business to build a data-based culture for the digital enterprise. It helps IT organizations to reduce complexity, risk, and costs. Collibra was a spin-off from STARLab at the Free University of Brussels. Its Data Intelligence Cloud brings flexible governance, continuous quality, and built-in privacy to all types of data. Collibra creates the critical alignment that accelerates workflows and delivers better results faster.

Collibra's Data Intelligence Cloud aligns every person, team and system throughout your company with accurate, trusted data — uniting people with facts and sparking the ideas that fuel your business.

Databar.ai is a tool that provides access to any kind of data that clients need.


Databar.ai is a no-code API marketplace that lets anyone connect with APIs without code.


Cambridge Semantics offers products for enterprise analytics and data management. The product is used to configure a data lake that provides scalable graph storage with cataloging, model-driven analytics and visualization, interactive analytics and text analytics and unstructured data processing. Its solutions also provide data integration, unstructured text integration & spreadsheet integration, governance information management. Its solutions are used by pharma, financial services, government, healthcare, retail, and media.

Cambridge Semantics Inc. is a modern data management and enterprise analytics software company.It offers a tool anzo for data discovery purposes.

OneTrust is the category-defining enterprise platform to operationalize trust. OneTrust helps to make trust a competitive differentiator, implementing central agile workflows across Privacy and Data Governance, GRC and Security Assurance, Ethics and Compliance, and ESG and Sustainability. 


OneTrust is the category-defining enterprise platform to operationalize trust.

Marquez is an open source metadata service for the collection, aggregation, and visualization of a data ecosystem’s metadata. It maintains the provenance of how datasets are consumed and produced, provides global visibility into job runtime and frequency of dataset access, centralization of dataset lifecycle management, and much more. Marquez was released and open sourced by WeWork.

Marquez is an open source metadata service for the collection, aggregation, and visualization of a data ecosystem’s metadata. 

AI-based enterprise data management automation platform on the cloud. It uses machine-learning algorithms to enable automation for enterprise customers to implement data privacy, data quality, data governance, and self-service data analytics. Moreover, it employs data catalogs, customizable ontologies, and automated tagging to unite and classify data, metadata, and analysis.

Io-Tahoe is a global leader in AI-driven Data Asset Management, enabling organizations to discover, manage and drive business value from data held across a wide range of technology platforms. 

Divebell is a content aware solution for discovering and monitoring personal data to automate enterprise data privacy and security.

Enterprise Personal Data Discovery & Security

Osano is an easy-to-use data privacy platform that instantly helps your website become compliant with laws such as GDPR and CCPA. Osano works to keep you out of trouble and monitors all of the vendors you share data with – so you don’t have to.

Osano is easy-to-use data privacy software (SaaS) that quickly helps you become compliant w/ laws such as CCPA, GDPR & LGPD.

Octopai extracts metadata from your entire data environment. With a quick, secure and simple process, Octopai will instantly be able to analyze the metadata. In one centralized platform Octopai allows you to access data lineage, data discovery and a data catalog, automatically.

Octopai is an automated, centralized, cross-platform metadata search engine that enables data teams to quickly and precisely discover and govern shared metadata.

BigID’s data intelligence platform helps organizations proactively discover, manage, protect, and get more value from their regulated, sensitive, personal, and critical data across their data landscape. 
It enables organizations to know their enterprise data and take action for privacy, protection, and perspective.  


BigID’s data intelligence platform helps organizations proactively discover, manage, protect, and get more value from their regulated, sensitive, personal, and critical data across their data landscape.

First open-source data discovery and observability platform. ODD Platform is based on ODD Specification.

Open-source data discovery and observability platform. 

Companies

Castor

Metaphor

Secoda

Atlan

Amundsen

Alation

Datalogz

Stemma AI

Open Metadata

Alteryx

Google cloud data catalog & discovery

Data Hub

Infogix

Select Star

Ataccama

Collibra

Databar.ai

Cambridge Semantics

OneTrust

Marquez

io Tahoe

Divebell

Osano

Octopai

BigID

Open Data Discovery

Did we miss any company?