MongoDB

MongoDB (from "humongous") is a scalable, high-performance, open source NoSQL database. The database is document-oriented so it manages collections of JSON-like documents.

Free Open Source Mac OS X Windows Linux BSD Web

Redis

Redis (REmote DIctionary Server) is an open-source, networked, in-memory, key-value data store with optional durability. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets.

Free Open Source Mac OS X Windows Linux BSD Self-Hosted

RethinkDB

RethinkDB pushes JSON to your apps in realtime. When your app polls for data, it becomes slow, unscalable, and cumbersome to maintain.

Free Open Source Mac OS X Windows Linux BSD

CockroachDB

Cockroach is a distributed key/value datastore which supports ACID transactional semantics and versioned values as first-class features. The primary design goal is...

Free Open Source Mac OS X Linux BSD

memcached

Free & open source, high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by...

Free Open Source Mac OS X Linux

Cosmos DB

Azure DocumentDB is a NoSQL document database service designed from the ground up to natively support JSON and JavaScript directly inside the database engine. It’s the...

Commercial Web

cachelot

Cachelot works within a fixed amount of memory. No garbage collector. Small metadata, near perfect memory utilization (overhead is 5-7% of the total memory). Smooth...

Free Open Source Mac OS X Linux

XCache

XCache is a fast, stable PHP opcode cacher that has been tested and is now running on production servers under high load. It is tested on Linux and FreeBSD and supported...

Free Open Source Mac OS X Windows Linux

Titan Database

Titan is a scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine...

Free Open Source Mac OS X Windows Linux

Apache Ignite

high-performance, integrated and distributed in-memory platform for computing and transacting on large-scale data sets in real-time.

Free Mac OS X Windows Linux Web

Alternative PHP Cache

The APC (Alternative PHP Cache) is an Open Source opcode cache extension to the PHP programming language server daemon. It caches PHP requests and speeds up serving...

Free Open Source Linux Web

XAP

XAP is an in-memory computing software platform that processes all your data & applications in real time. XAP works by enabling an entire application to run on a...

Commercial Mac OS X Windows Linux