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PGSpider

Free#22 of 24 in Data Federation Software

PGSpider: A PostgreSQL-centered federation engine for querying and modifying distributed data. Ranked #22 of 24 in Data Federation Software by our editors (6.7/10); pricing: Open source; best for postgreSQL-centered multi-tenant federation.

6.7/10Editor score

Visit PGSpider

PGSpider6.7 Visit PGSpider

At a glance

Editor score
6.7 / 10
Pricing
Open source
Best for
PostgreSQL-centered multi-tenant federation
Paid from
Free
Facts checked
20 Sep 2026

Where it wins
- Federates multiple sources through PostgreSQL Foreign Data Wrappers
- Supports parallel execution with predicate and aggregation pushdown
- Enables data modification, migration, and compressed cloud transfers
Where it doesn't
- Deployment is buyer-managed rather than hosted
- Its integration model centers on PostgreSQL-compatible tools
- Its focus is distributed SQL federation rather than broader platform capabilities

Our verdict on PGSpider

PGSpider is an open-source SQL cluster engine for distributed data virtualization. It is designed for teams that need PostgreSQL-centered access to multiple data sources, especially similarly structured sources that can be presented as multi-tenant virtual tables. The product supports SQL querying and operates in a buyer-managed environment using PostgreSQL-compatible tools such as psql and libpq.

Its federation capabilities cover PostgreSQL, MySQL, Oracle, GridDB, PGSpider, InfluxDB, Amazon S3, and Parquet through Foreign Data Wrappers. Parallel query execution across child nodes, WHERE-clause and aggregation pushdown, and hierarchical PGSpider tree structures support distributed query workloads. The system also supports INSERT, UPDATE, and DELETE operations on multi-tenant tables, extending it beyond read-only federation. Data migration between source and destination tables and compressed data transfer through cloud functions add operational use cases for distributed data movement.

PGSpider is a fit for organizations that want open-source, self-hosted federation with SQL access and control over deployment. The trade-off is that installation and operation remain buyer-managed, so teams should be prepared to work with PostgreSQL-compatible tooling and distributed source configurations. Its strongest case is a PostgreSQL-centered architecture with multi-tenant tables and pushdown-oriented execution; teams seeking a hosted service or a broader platform around federation should consider a different product.

Your product? Our editors can test PGSpider in depth and publish a review, labelled as paid · from $149/mo →

PGSpider pricing

Plans Open sourceFree Free to use — no paid tier required for the core job.

See plans on github.com

PGSpider fact sheet

Free plan	Not verified
Paid from	Free
Cloud hosted	Not verified
Self-hosted	Yes
SQL querying	Yes
Query result cache	Not verified
Row-level security	Not verified
API access	Not verified
Scheduled queries	Not verified
Deployment	Self-hosted
Support	Community
Built for	Mid-market, Enterprise (editorial estimate)
Integrations	8 integrations: PostgreSQL, MySQL, Oracle, GridDB, PGSpider, InfluxDB …
Pricing	Open source
Website	github.com
Facts checked	20 Sep 2026

PGSpider integrations

PGSpider lists 8 integrations on its own site.

PostgreSQL
MySQL
Oracle
GridDB
PGSpider
InfluxDB
Amazon S3
Parquet

Alternatives to PGSpider

See all PGSpider alternatives →

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Featured on iTechGuides

PGSpider is listed in our Data Federation Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update