Neo4j

Graph database that stores nodes and relationships and queries them with the Cypher language, self-hosted or as the managed AuraDB.

Works with AI agents:llms.txt
Ask your AI about this, with this page as the source:ChatGPT ↗Claude ↗Perplexity ↗

Where it fits

How Neo4j itself is built

2 tools, from its own code, website and Product Hunt page.

Who uses it

19 makers' products, each linked to the source that shows it, and 35 open-source projects that declare it in their code.

The maker says so 11Customer story 7Subprocessor list 1Declared in code 35How evidence is collected →
cogneeMemory for AI Agents in 6 lines of code

“Neo4j is the top graph database out there and working with Tomaz from their side is a blast.”

DatabaseMaker says so · source ↗
VectorizeAgents that remember. Agents that learn.

“Neo4j is a key part of our knowledge graph solution. Vectorize pipelines take care of generating and maintaining the knowledge graph data, and Neo4j powers the semantic and graph searching.”

DatabaseMaker says so · source ↗
ByteroverFile-based memory for agents with >92% retrieval accuracy

“Graph database mapping programming concepts and relationships extracted from memories.”

DatabaseMaker says so · source ↗
LayerBrain-Inspired Planner

“We chose Neo4j for handling complex data relationships, making it ideal for features like recommendations or social network structures within the app.”

DatabaseMaker says so · source ↗
SenseAI Memory For Your Work

“Sense is a semantic network, means we have a graph under the hood. Without Neo4j we would never launch such a complex product like Sense so fast! It's just incredibly powerful solution with great documentation and very helpful support. They have a startup program, which makes their product affordable for an early stage company like us.”

DatabaseMaker says so · source ↗
QuantyAI-Powered Financial Analysis Chatbot

“Quanty leverages Neo4j to build a dynamic and comprehensive Knowledge Graph that maps out financial data relationships.”

DatabaseMaker says so · source ↗
WikiFix for ConfluenceFind and fix issues in your knowledge base

“Neo4j Aura was the only option that handled volume without overloading the main database or costing a fortune. With Aura, the database stays idle. Each scan gets its own session, which we delete afterwards, so we don't pay for anything that runs all the time. Nearest-neighbor search and grouping are built in, so we don't have to juggle the data volume in our own infra.”

DatabaseMaker says so · source ↗

Open source: a project that declares Neo4j as a dependency in its public code — verifiable, but not necessarily a live product.

What makers say

8 makers on why they use Neo4j, in their own words on Product Hunt.

Neo4j is a key part of our knowledge graph solution. Vectorize pipelines take care of generating and maintaining the knowledge graph data, and Neo4j powers the semantic and graph searching.
VectorizeSep 2026 ↗
We chose Neo4j for handling complex data relationships, making it ideal for features like recommendations or social network structures within the app.
LayerSep 2026 ↗
Neo4j is the top graph database out there and working with Tomaz from their side is a blast.
cogneeSep 2026 ↗
Graph database mapping programming concepts and relationships extracted from memories.
ByteroverSep 2026 ↗
Neo4j Aura was the only option that handled volume without overloading the main database or costing a fortune. With Aura, the database stays idle. Each scan gets its own session, which we delete afterwards, so we don't pay for anything that runs all the time. Nearest-neighbor search and grouping are built in, so we don't have to juggle the data volume in our own infra.
WikiFix for ConfluenceSep 2026 ↗

Loved and watch-outs

Themes that recur in makers' words and Hacker News comments, each linked to what it summarises, with how Product Hunt tags its reviews.

On Product Hunt 5.0★ · 11 reviews
complex data relationships 2helpful support 2
Read the reviews on Product Hunt ↗

Reliability and open issues

Most wanted on GitHubOpen on 2026-10-04 in neo4j/neo4j, with activity in the last year — issues and feature requests by 👍.

Questions makers ask about Neo4j

Is Neo4j free?

Yes — there is a free tier a small product can run on; paid use starts at $65/GB/mo. source ↗

Is Neo4j open source or self-hostable?

Open source, and you can self-host it. source ↗

Can AI coding agents work with Neo4j?

It serves an llms.txt docs index.

Who uses Neo4j?

19 makers' products we track, each with a source, and 35 open-source projects declare it in their code. source ↗