Blazing fast and lightweight PostGIS, MBtiles and PMtiles tile server, tile generation, and mbtiles tooling.

LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.

Superseded by classic-level. Pure C++ Node.js LevelDB binding. An abstract-leveldown compliant store.

For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.

Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB

The MongoDB Database

High-performance, scalable time-series database designed for Industrial IoT (IIoT) scenarios

A time-series database for high-performance real-time analytics packaged as a Postgres extension

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

DuckDB is an analytical in-process SQL database management system

A javascript library to run SQLite on the web.

Realm is a mobile database: a replacement for SQLite & ORMs

Open-source search and retrieval database for AI applications.

YugabyteDB - the cloud native distributed SQL database for mission-critical applications.

A truly Open Source MongoDB alternative

Postgres.js - The Fastest full featured PostgreSQL client for Node.js, Deno, Bun and CloudFlare

libSQL is a fork of SQLite that is both Open Source, and Open Contributions.

Realm is a mobile database: an alternative to SQLite & key-value stores

The fastest and simplest library for SQLite3 in Node.js.

A distributed, fault-tolerant graph database

A hyper-fast local vector database for use with LLM Agents. Now accepting SAFEs at $135M cap.

Fast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍

Ruby client for Pinecone Vector DB

WebAssembly version of DuckDB

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

Open-source vector similarity search for Postgres

Unified embedding generation and search engine. Also available on cloud - cloud.marqo.ai

Non-Metric Space Library (NMSLIB): An efficient similarity search library and a toolkit for evaluation of k-NN methods for generic non-metric spaces.