Apache ZooKeeper

Transactional schema-less embedded database used by JetBrains YouTrack and JetBrains Hub.

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

An efficient key-value storage library.

ClauDB is a REDIS implementation in Java

Low-latency in-memory key-value store, Redis drop-in alternative

消除 Android 项目 Key-Value 样板代码

A Lightweight key-value storage library for Android.

🖖 Learn how to use Redis, from beginner basics to advanced techniques | 最新 Redis 底层原理分析与多语言应用实践

Data abstraction, storage, discovery, and serving system

Fast embedded key-value database engine for Java.

🔥 Minion is a handy group-key-value data storage library, powered by INI format

ICDE 2019 - KV-match: A Subsequence Matching Approach Supporting Normalization and Time Warping

Simple, fast Key-Value storage. Inspired by HaloDB

An embeddable, persistent key-value store optimised for sequential reads.

Key-value Kafka Database

Proof-of-concept distributed key-value store implementation on top of MicroRaft, Protocol Buffers, and gRPC

在广袤无垠的现代大数据海洋之中，计算机深度的和信息以及数据绑定，承载这亿万数据的就是数据库软件。 Linwin Data Server，基于Java开发的国产高性能数据库软件。支持国产和Linux操作系统，支持多用户操作。采用Nosql结构，自研mys数据库操作语言，更加简单方便高效。 用户数据的增删改查全部在内存内操作，与硬盘的交互写入读取交由专门的线程管理，无不妨碍.

Guru is an efficient and super easy library to use Android Shared Preferences without complexity

An insanely fast and lightweight key value database with json and binary support. Provides insanely fast binary protocol server alongside with simple and robust REST service. One database to to rule them all.