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.

Redis module that provides a completely functional SQL database

Doorstop -- run C# before Unity does!

Share Hash Tables With Stable Key Hints Stored In Memory Mapped Files Between Arbitrary Processes

Run executables from memory, over the network, on Windows, Linux, OpenVMS... routers... spaceships... toasters etc.

A lightweight well-featured CLI downloader optimized for speed and early preview.

Ultra High-performance Lightweight Embedded and Server OLTP RDBMS✨

A low-latency in-memory C logging library

Wannabe Main Memory Database and More

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.

In-memory relational database.

Simple key-value storage in C

PHP Extension library for K2HASH

O RPLY? is a C/C++ library for PLY file format in-memory load and store. Built over RPly 1.1.4 by Diego Nehab with three improvements. YA RLY.

Import Python modules from dicts and JSON formatted documents.

Concurrent safe, in-memory hash-table with persistence and simple API.

DoubleClique is a high‑performance, in‑memory, replicated key–value store that runs on Dolphin’s PCIe interconnect using the SISCI API.

A high-performance in-memory key-value store in C, featuring custom character encodings, trie-based storage, and efficient memory management for embedded or high-throughput applications