Evokoa

Evokoa / pgGraph

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Open-source graph database superpowers for your existing Postgres data.

31
5
100% credibility
Found May 13, 2026 at 31 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
Rust
AI Summary

pgGraph is a PostgreSQL extension that enables graph search, traversal, shortest path, and relationship queries directly against existing PostgreSQL tables using a derived graph index accessible via SQL functions.

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AI-Generated Review

What is pgGraph?

pgGraph adds graph database superpowers to your existing Postgres tables as a Rust-built PostgreSQL extension. It auto-discovers foreign key relationships, builds an in-memory index, and exposes SQL functions like `graph.traverse()` for BFS traversals, shortest paths, searches, and aggregations—all without data migration or a separate graph store. Your relational tables remain the source of truth, queried via familiar SQL.

Why is it gaining traction?

Unlike standalone open source graph databases like Neo4j, pgGraph layers graph queries on self-hosted Postgres, dodging ETL pipelines and new query languages. The Docker quickstart spins up a playground with Panama Papers data in minutes, delivering sub-ms traversals on million-node graphs. As an open source graphdb alternative, it hooks devs tired of managing polyglot persistence.

Who should use this?

Postgres-heavy data engineers analyzing fraud rings, supply chains, or social networks via traversals. Backend teams building recommendation engines or org charts on relational schemas. Analysts prototyping open source graph software without infra overhead.

Verdict

Grab the Docker quickstart for dev experiments—solid docs and benchmarks make it approachable. At 31 stars and 1.0% credibility, it's early alpha (avoid prod); contribute feedback to shape this open source graph database contender.

(198 words)

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