database

Toy Database

A planet scale, highly available, transactional database built on CRDT technology

PostgreSQL vector database extension for building AI applications

PHPAuth is a secure PHP Authentication class that easily integrates into any site.

Laravel核心代码学习

Postgres Foreign Data Wrapper development framework in Rust.

The best authentication plugin for the Bukkit/Spigot API!

The Open Source Backend for MongoDB

Uses tokenized query returned by python-sqlparse and generates query metadata

StoneDB is an Open-Source MySQL HTAP and MySQL-Native DataBase for OLTP, Real-Time Analytics, a counterpart of MySQLHeatWave.

Simple microORM that maps the results of a query onto a POCO object. Project based on Schotime's branch of PetaPoco

DBMS Concepts, SQL Queries & Schema Design for your Interviews.

Epsilla is a high performance Vector Database Management System

SymmetricDS is database replication and file synchronization software that is platform independent, web enabled, and database agnostic. It is designed to make bi-directional data replication fast, easy, and resilient. It scales to a large number of nodes and works in near real-time across WAN and LAN networks.

Lightning Memory Database (LMDB) for Java: a low latency, transactional, sorted, embedded, key-value store

🏅State-of-the-art learned data structure that enables fast lookup, predecessor, range searches and updates in arrays of billions of items using orders of magnitude less space than traditional indexes

pure-Go SQLite driver for Go (SQLite embedded)

Hyrise is a research in-memory database.

A PostgreSQL client library for Ruby

用Java Swing写的数据库同步软件

Neum AI is a best-in-class framework to manage the creation and synchronization of vector embeddings at large scale.

Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW search, graph traversal, and writes. Using Neo4j Bolt/Cypher and qdrant's gRPC means you can switch with no changes while adding intelligent features like schemas, managed embeddings, reranking+llm, GPU accel, Auto-TLP, Policy-based Memory Decay, and MCP server.

An open source self hosted notes and bookmarks taking web app.

:leaves: Non-blocking, Reactive MongoDB Driver for Scala

A simple, self-contained, serverless, zero-configuration, json document store.

A lightweight document-oriented NoSQL database written in pure Golang.

A simple "database" that use JSON file for Node.JS.

Simple key-value store abstraction and implementations for Go (Redis, Consul, etcd, bbolt, BadgerDB, LevelDB, Memcached, DynamoDB, S3, PostgreSQL, MongoDB, CockroachDB and many more)

:zap: A collection of resources and tutorials to design a better database schema.

minimalist's tiny and ultra-fast database cleaner