HelixDB
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rag-retrieval
web
freemium
open source
graph-database
vector-database
rust
RAG
API
Overview
Added 03-31-2026
HelixDB is a graph-vector database built in Rust that stores and queries connected data with vector embeddings. It compiles graph and vector queries for ridiculously fast performance while scaling infinitely. Perfect for developers building recommendation engines, knowledge graphs, or any app that needs to understand relationships between data points.
Key Features
- Rust-built engine makes your queries fly faster
- Compiles graph queries instead of interpreting them slowly
- Handles vectors and relationships in one database
- Scales from laptop to enterprise without rewriting
- SSD-optimized storage that doesn't eat your RAM
Use Cases
- Build recommendation engines that actually understand user preferences
- Create knowledge graphs for AI that remember connections
- Power fraud detection by mapping suspicious transaction patterns
- Build social networks that suggest relevant friend connections
- Analyze supply chains to find bottlenecks quickly
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