Side by side
Query Streams vs Virtuoso Universal Server
Both stand on data virtualization software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Query Streams brings database and API access into spreadsheets, AI tools, and scheduled syncs, with read-only query controls and credentials kept on the user's network. Check the Free tier's data and row limits against your expected use before choosing a plan.
Visit Query StreamsChoose Virtuoso if you need a multi-model database that can present data from different sources through one view, with both open-source and commercial licensing available. The open-source version is under GPL, while commercial licenses add features such as high-availability replication and professional support. Look elsewhere if the Personal workstation limits are too small or you need a published Enterprise price.
Visit Virtuoso Universal ServerThe facts
| Query Streams | Virtuoso Universal Server | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | No | Yes |
| Runs on | API, Linux, Mac, Self-hosted, Web, Windows | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Personal Core: $15 a month | See the plans |
| Plans published | 4 | 4 |
| Maker | Not published | Not published |
| Website | querystreams.com | virtuoso.openlinksw.com |
| On data virtualization software | #6 of 25 | #2 of 25 |
Query Streams: what it does well
- Connects spreadsheets and AI clients to data sources.
- Federated SQL can combine multiple databases and APIs.
- Encrypted outbound connection requires no VPN or inbound ports.
- 30-day trial includes every feature without a credit card.
What to know first
- Free tier has 5 MB monthly query traffic.
- Free tier allows one data source.
- Free tier limits scheduled pushes to 125 rows.
- Paid plans start at $15 a month.
Virtuoso Universal Server: what it does well
- Supports relational SQL, RDF, SPARQL, XML, JSON, and web services.
- Virtualization provides a unified view across multiple data sources.
- External connections include HTTP, ODBC, and JDBC.
- Available under open-source GPL and commercial licenses.
- Deployment options include on-premises/BYOL, AWS, and Azure.
What to know first
- Personal workstation license is limited to 2 concurrent users and 2 CPU cores.
- Developer and Project licenses are workstation licenses.
- Encryption at rest is listed as a commercial feature.
- Enterprise pricing uses custom licensing terms.
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