17.7
Stardog connects enterprise data through a semantic layer for AI, analytics, search, and applications.
Free planAndroidiOSWeb
Best Data Federation Software in 2026
When information lives in separate systems, data federation software can help you query across those sources. Compare SQL querying, scheduled queries, and query result cache to see which query capabilities are listed, and weigh row-level security alongside API access. Cloud hosted and self-hosted indicate different deployment models to consider, while free-plan availability and paid-from pricing add cost context.…
27.1
Starburst Galaxy is a managed, cloud-hosted analytics platform built on Trino.
Free planWebAPILinux
36.7
Apache Drill is a free, open-source SQL query engine for Hadoop, NoSQL databases, and cloud storage.
Free planAPILinuxmacOS
- 4
Denodo Platform
Denodo Platform is an AI data layer for connecting distributed enterprise data while keeping operational awareness, shared business meaning, and…
Free planWebAPILinuxSelf-hosted6.7Free plan - 5
Enterprise Enabler
Enterprise Enabler 10 is data integration middleware for connecting IT and business users with data spread across multiple sources.
WebAPILinuxmacOS6.7From $2.17 a month - 6
QoreDB
QoreDB is a desktop client for exploring, querying, and editing SQL and NoSQL data.
Free planLinuxmacOSWindows6.7From €99 a year - 7
Teiid
Teiid is a free, open-source data virtualization project that gives applications a uniform way to access information across multiple sources.
Free planAPILinuxSelf-hosted6.6Free plan - 8
Trino
Trino is a distributed SQL query engine for analyzing large datasets across different data systems.
Free planWebAPILinuxSelf-hosted6.4Free plan - 9
Virtual Data Platform
Virtual Data Platform (VDP) provides organizations live access to enterprise data across systems, networks, and organizations without copying it into a warehouse or lake.
AndroidiOSWebAPI6.4 - 10
openLooKeng
openLooKeng is an open-source data virtualization engine that lets teams query information across different systems through a unified SQL interface.
Free planAPILinuxSelf-hosted6.3Free plan - 11
MindsDB Query Engine
MindsDB Query Engine is an open-source query engine for connecting data sources through SQL and running semantic search.
Free planWebAPILinuxSelf-hosted6.1Free plan - 12
Presto
Presto is a distributed SQL query engine for working with large datasets spread across different data sources.
Free planWebAPILinuxmacOS6.1Free plan - 13
Nexus
Nexus is paid Windows software from Coffing Data Warehousing for querying, joining, analyzing, moving, and scheduling work across databases.
Windows5.9 - 14
Spotfire Data Virtualization
Spotfire Data Virtualization, offered as Spotfire Enterprise Advanced Data Services, lets teams query data across distributed sources without replicating it first.
WebAPILinuxSelf-hosted5.9 - 15
Apache Calcite
Apache Calcite is a free data management framework that provides database-management components without storing data, supplying data-processing…
Free planAPISelf-hosted5.8Free plan - 16
PlyDB
PlyDB is a free, open-source database gateway that lets AI agents query live data sources with standard SQL.
LinuxmacOSWindows5.8 - 17
PGSpider
PGSpider is a SQL cluster engine for querying distributed data through Foreign Data Wrappers.
Free planLinuxSelf-hosted5.7Free plan - 18
Querona
Querona is a data virtualization platform that connects data sources in a virtual database for analytics and reporting.
WebAPISelf-hostedWindows5.7 - 19
SAS Federation Server
SAS Federation Server provides multi-user access to data from multiple services through a virtualized data layer.
WebAPILinuxSelf-hosted5.7 - 20
Kiwi Fabric
Kiwi Fabric provides SQL access across relational databases, NoSQL sources, REST APIs, SOAP services, and files, querying live data without keeping a stored copy.
WebAPISelf-hosted5.5 - 21
Dremio
Dremio is a web-based data platform for SQL analytics, with support for ACID transactions, streaming ingestion, an open table format, and a governance catalog.
Web5.1 - 224.9
- 23
4.9 - 24
Teradata Fabric
WebLinux4.9