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Embedded persistent database for Node.js, written in Javascript, with no dependency (except npm modules of course). You can think of it as a SQLite for Node.js projects, which can be used with a simple require statement. The API is a subset of MongoDB's. You can use it as a persistent or an in-memory only datastore.

NeDB is not intended to be a replacement of large-scale databases such as MongoDB! Its goal is to provide you with a clean and easy way to query data and persist it to disk, for web applications that do not need lots of concurrent connections, for example a continuous integration and deployment server and desktop applications built with Node Webkit.

I recently benchmarked NeDB against the popular client-side database TaffyDB and NeDB is much, much faster, so I will port it to browsers. Please comment on this issue if you have any ideas/requirements.

Installation, tests

Module name on npm is nedb.

npm install nedb --save   // Put latest version in your package.json

npm test   // You'll need the dev dependencies to test it

API

It's a subset of MongoDB's API (the most used operations). The current API will not change, but I will add operations as they are needed. Summary of the API:

• Creating/loading a database
• Inserting documents
• Finding documents
• Updating documents
• Removing documents
• Indexing