Apache Ignite

high-performance, integrated and distributed in-memory platform for computing and transacting on…

ArangoDB

A distributed open-source database with a flexible data model for documents, graphs, and key-values.

Ultra-fast SQL-like queries on Java collections. Contribute to npgall/cqengine development by creating an account on GitHub.

Manage a massive range of data fast and without losing.

Cloudify enables developers to automate entire application lifecycle from deployment to scaling.

Document-Oriented NoSQL Database

HTTP + JSON document database with Map Reduce views and peer-based replication

TheGridGain In-Memory Computing Platform is a comprehensive solution provides speed and scale for data intensive applications across any data store

Clustering and highly scalable data distribution platform for Java

HyperDex is the next generation key-value store.

A distributed in-memory key/value data store with optional schema.

KeyDB is fast NoSQL database with full compatibility for Redis APIs, clients, and modules.

The world’s most popular open source database

Open Source .NET Distributed Cache!

Pivotal GemFire® is a real-time distributed data store that solves the hard problems of…

A small and fast caching web proxy (a web cache, an HTTP proxy, a proxy server).

PostgreSQL is a powerful, open source object-relational database system.

Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.

The open-source database for the realtime web

A NoSQL database running in a Lua application server.

High-performance HTTP accelerator

XAP is real-time transaction processing platform.

High-performance, distributed memory object caching system