FoundationDB - the open source, distributed, transactional key-value store

Apache Pegasus - A horizontally scalable, strongly consistent and high-performance key-value store

A KV storage engine based on LSM Tree, supporting Redis RESP

a trie-tree in c++17/c++20, template and header only

A high performance single-header embeddable persistent key-value store with indexing capabilities

A rapid, low-latency, in-memory key-value data engine.

Efficient, thread-safe, in-memory key-value store built in C++

Lazarus Data Store is a high performance object container data store server implemented in C++ for GNU/Linux.

Transactional key-value store

a fast and light-weighted key-value store library

Concurrent tree structure for in-memory index

Horizontally scalable, highly available, key-value storage service with distributed transaction support written in C++

LeanStore is a B-tree based key-value storage library with high throughput and full ACID transactions.

android sp

A log-backed, TTL-aware hybrid in-memory cache and streaming log engine with eviction scheduling and replay support, inspired by modern distributed cache designs.

An embedded key-value store library specialized for building state machine and log store

Making a Redis clone from scratch using C++. Inspired by the build your own x repo.

A distributed key-value store written in C++

A versatile key-value workload generator supporting various distributions with customizable parameters for inserts, updates, and queries, tailored for performance and storage system analysis.

In-memory key-value store с собственным сетевым сервером, реализованный на C++23. Включает неблокирующий EventLoop на корутинах (epoll/select), пул потоков, кастомный MemoryPool, sharded хеш‐таблицу и текстовый протокол с командами GET/SET/DEL. Использует корутины, низкоуровневый аллокатор, многопоточность и асинхронный ввод‐вывод.