For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.

Oracle Timesten Sample Code

A GPU-Accelerated In-Memory Key-Value Store (AWS-focused fork)

In-memory relational database engine written in C from scratch

An in-memory key-value database project.

fkvs is a in-memory, NoSQL key-value data structure store and database written in C

MemoraDB is a high-performance in-memory database (IMDB) designed for ultra-low latency key-value storage and operations, featuring RESP protocol compliance, atomic commands, and TTL-based expiry. Optimized for microsecond response times, it's ideal for real-time applications like caching and session stores.

A minimalist key-value database engine for modern applications

Multithreaded implementation of the partitioned hash join algorithm for an in-memory columnar database

Transient Time Series, a naive implementation of a time series DB, just for fun

redis clone written in c #42SkillsChallenge

OrionDB: A high-performance, sharded, in-memory key-value database in C with persistence options, epoll networking, and efficient memory management. (v0.1.0 - Early Development)

💾 In-memory database

A minimal RESTful API with in-memory database