An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, and POSIX.

An embedded key/value database for Go.

🥑 ArangoDB is a native multi-model database with flexible data models for documents, graphs, and key-values. Build high performance applications using a convenient SQL-like query language or JavaScript extensions.

Fast key-value DB in Go.

Distributed transactional key-value database, originally created to complement TiDB

A generic dynamo implementation for different k-v storage engines

BuntDB is an embeddable, in-memory key/value database for Go with custom indexing and geospatial support

🔩 A relentless key-value store for the browser.

Lightweight and blazing fast key-value database written in pure Dart.

A high performance HTTP proxy cache server and RESTful NoSQL cache server based on HAProxy

immudb is a lightweight, high-speed immutable database for systems and applications

A redis protocol compatible nosql, it support multiple storage engines as backend like Google's LevelDB, Facebook's RocksDB, OpenLDAP's LMDB, PerconaFT, WiredTiger, ForestDB.

A simple, fast, embeddable, persistent key/value store written in pure Go. It supports fully serializable transactions and many data structures such as list, set, sorted set.

Fast Caching for Objective-C (iPhone & Mac Compatible)

Simple key-value storage with support for multiple backends

An Embedded NoSQL, Transactional Database Engine

Immutable Ordered Key-Value Database Engine

Lightweight IoT device information storage solution: KV/IAP/LOG. | 轻量级物联网设备信息存储方案：参数存储、在线升级及日志存储 ，全新一代版本请移步至 https://github.com/armink/FlashDB

🏂 EJDB 2.0 — Embeddable JSON Database engine C library. Simple XPath like query language (JQL). Websockets / Android / iOS / React Native / Flutter / Java / Dart / Node.js bindings. Docker image.

Automatic parallelization (lock-free multithreading thread) tool developed by Surparallel Open Source.Pelagia is embedded key value database that implements a small, fast, high-reliability on ANSI C.

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

A very fast transactional key-value, embedded database storage engine in Fractal-Tree. Teaching/Research purposes only.

A reference use of Hashicorp's Raft implementation

🏬 200b key-value store backed by navigation state

Embedded key-value store for read-heavy workloads written in Go

One of the fastest embeddable key-value ACID database without WAL. libmdbx surpasses the legendary LMDB in terms of reliability, features and performance.

Global key-value store in the database

A collection of Ruby libraries for working with SQL on top of ActiveRecord's connection