Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.

A flexible distributed key-value datastore that is optimized for caching and other realtime workloads.

A generic dynamo implementation for different k-v storage engines

An Embedded NoSQL, Transactional 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

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

An ultra-lightweight database that supports key-value and time series data | 一款支持 KV 数据和时序数据的超轻量级数据库

🏂 EJDB2 — Embeddable JSON Database engine C library. Simple XPath like query language (JQL).

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

cachegrand - a modern data ingestion, processing and serving platform built for today's hardware

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

HSE: Heterogeneous-memory storage engine

libshmcache is a local cache in the share memory for multi processes. high performance due to read is lockless. libshmcache is 100+ times faster than a remote interface such as redis.

A C utility library and persistent key/value storage engine

C library of key-value data structures.

Pelikan is a framework for building local or distributed caches. It comes with a highly extensible architecture, best-in-class performance, and superb operational ergonomics. You can use it to replace most of Memcached or a subset of Redis features.

Simple and fast string based key-value database with support for arrays and json

Bun is a simple to use C++ Object Database, Object Relational Mapper (ORM) and key-value library

embeddable cloud-native storage for events and time-series data

A dictionary data type with a fast b-tree based search