NeDB
Embedded persistent database written in JavaScript.
Pricing
Free tier
Flat rate
Adoption
↘CoolingLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is NeDB?
NeDB is an embedded persistent database written entirely in JavaScript. It provides a simple and efficient way to store data locally, making it ideal for applications that require local storage without the overhead of setting up a full-fledged database server.
Key differentiator
“NeDB stands out as a lightweight, easy-to-use solution for local storage needs in JavaScript applications, offering simplicity without the need to set up external databases.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
NeDB is designed for small-scale, local storage and may suffer from performance degradation with very large datasets.
Due to its single-threaded nature, NeDB can struggle with concurrent read/write operations in high-load scenarios.
NeDB supports basic querying but lacks complex join and aggregation features available in more robust databases like MongoDB or PostgreSQL.
For distributed applications, NeDB does not offer mechanisms for data replication or sharding to ensure high availability and fault tolerance.
Fit analysis
Who is it for?
✓ Best for
Web developers who need a lightweight, local database solution for their JavaScript projects.
Node.js developers looking to avoid the overhead of setting up a full-fledged database server.
✕ Not a fit for
Applications requiring real-time data synchronization across multiple devices or users
Projects that demand high-performance and scalability beyond what an embedded database can offer
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Works well with
Integrations
Next step
Get Started with NeDB
Step-by-step setup guide with code examples and common gotchas.