In-memory Databases

The in-memory data store used by millions of developers as a cache, vector database, document database, streaming engine, and message broker.

DiceDB is an open-source, fast, reactive, in-memory database optimized for modern hardware. Commonly used as a cache, it offers a familiar interface while enabling real-time data updates through query subscriptions.

Memorystore is a fully managed in-memory data store service for Redis and Memcached at Google Cloud. Like any other Google Cloud service it is fast, scalable, highly available, and secure. It automates complex tasks of provisioning, replication, failover, and patching so you can...

A NoSQL database running in a Lua application server. Tarantool combines the network programming power of Node.JS with data persitence capabilities of Redis.

Hazelcast is an in-memory Open Source data grid based on Java. By having multiple nodes form a cluster, data is evenly distributed among the nodes. This allows for horizontal scalability both in terms of available storage space and processing power.

This is a fork of Redis 7.2.4 following the announcement that Redis would switch to a non-free license.

NCache is an Open Source in-memory distributed cache for .NET, Java, and Node.js. NCache provides an extremely fast and linearly scalable distributed cache that caches application data and reduces expensive database trips.

TayzGrid is an elastic in-memory data grid with a self-healing peer to peer dynamic data grid clustering architecture. TayzGrid is extremely fast and linearly scalable data grid and provides intelligent replication for data reliability without compromising on scalability.

A distributed in-memory key/value data store with optional schema. It can be used both as an embedded Java library and as a language-independent service accessed remotely over a variety of protocols (HotRod, REST, Memcached and WebSockets).

Pivotal GemFire® is a real-time distributed data store that solves the hard problems of distributed systems for you. It provides a familiar Java interface for interacting with data of arbitrary complexity and shape, and accommodates ever-growing data sets and users with...

SAP HANA is a completely re-imagined platform for real-time business.

It transforms business by streamlining transactions, analytics, planning, predictive, sentiment data processing on a single in-memory database so business can operate in real-time.

TimesTen is a memory-optimized, relational database management system with persistence and recoverability. Originally designed and implemented at Hewlett-Packard labs in Palo Alto, California, TimesTen was spun out into a separate startup in 1996 and acquired by Oracle...

XAP is an in-memory computing software platform that processes all your data & applications in real time.

Dragonfly is a lightning fast, in-memory data store built for heavy workloads running on modern cloud hardware. Dragonfly is 100% API compatible with Redis, Valkey, and Memcached, allowing for quick and seamless migrations that result in up to 25X better performance on half the...

Object-Relational Main-Memory Embedded Database system tightly integrated with C++ language. Use OS virtual mapping mechanism to access data. Provides subset of SQL language with OO extensions. Support of transactions, fault tolerance, replication.