Memcached is high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load. Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects) from results of database calls, API calls, or page rendering. Memcached is simple yet powerful. Its simple design promotes quick deployment, ease of development, and solves many problems facing large data caches. Its API is available for most popular languages. Memcaached is used in LiveJournel, Wikipedia, Flickr, Bebo, Twitter, Youtube, Digg, etc.

Memcached is high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load. Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects) from results of database calls, API calls, or page rendering.

Memcached - distributed object caching system

Varnish Cache is a web application accelerator also known as a caching HTTP reverse proxy. You install it in front of any server that speaks HTTP and configure it to cache the contents. Varnish Cache is really, really fast. It typically speeds up delivery with a factor of 300 - 1000x, depending on your architecture. 

Varnish - Web Application Accelerator.

Membase is an distributed, key-value database management system optimized for storing data behind interactive web applications. These applications must service many concurrent users, creating, storing, retrieving, aggregating, manipulating and presenting data in real-time. Supporting these requirements, membase processes data operations with quasi-deterministic low latency and high sustained throughput. For those familiar with memcached, membase provides on-the-wire protocol compatibility, but adds disk persistence; hierarchical storage management; data replication; live cluster reconfiguration and rebalancing; and secure multi-tenancy with data partitioning. Membase scales elastically, with linear cost. Servers can be added to, or removed from, a running cluster with no application downtime.

Membase is an distributed, key-value database management system optimized for storing data behind interactive web applications. These applications must service many concurrent users, creating, storing, retrieving, aggregating, manipulating and presenting data in real-time. Supporting these requirements, membase processes data operations with quasi-deterministic low latency and high sustained throughput.

membase - distributed key-value database

Dynomite, inspired by Dynamo whitepaper, is a thin, distributed dynamo layer for different storages and protocols. Dynomite is a sharding and replication layer. Dynomite can make existing non distributed datastores, such as Redis or Memcached, into a fully distributed & multi-datacenter replicating datastore.

Dynomite - Making Non-Distributed Databases, Distributed 

Sophia is RAM-Disk hybrid storage. It is designed to provide best possible on-disk performance without degradation in time. It has guaranteed O(1) worst case complexity for read, write and range scan operations. It provides Full ACID compliancy, MVCC engine, Optimistic, non-blocking concurrency with N-writers and M-readers, Prefix search, Automatic key-expire, Implemented as small C-written library with zero dependencies and lot more.

Sophia - Advanced transactional MVCC key-value/row storage library

Nuster is a simple yet powerful web caching proxy server based on HAProxy. It is 100% compatible with HAProxy, and takes full advantage of the ACL functionality of HAProxy to provide fine-grained caching policy based on the content of request, response or server status. Nuster is very fast, some test shows nuster is almost three times faster than nginx when both using single core, and nearly two times faster than nginx and three times faster than varnish when using all cores.
<ul>
<li>All features of HAProxy are inherited, 100% compatible with HAProxy</li>
<li>Powerful dynamic cache ability
<ul>
<li>Based on HTTP method, URI, path, query, header, cookies, etc</li>
<li>Based on HTTP request or response contents, etc</li>
<li>Based on environment variables, server state, etc</li>
<li>Based on SSL version, SNI, etc</li>
<li>Based on connection rate, number, byte, etc</li>
</ul>
</li>
<li>Extremely fast</li>
<li>Cache purging</li>
<li>HTTPS supports on both frontend and backend</li>
<li>HTTP compression</li>
<li>HTTP rewriting and redirection</li>
</ul>

Nuster is a simple yet powerful web caching proxy server based on HAProxy. It is 100% compatible with HAProxy, and takes full advantage of the ACL functionality of HAProxy to provide fine-grained caching policy based on the content of request, response or server status. Nuster is very fast, some test shows nuster is almost three times faster than nginx when both using single core, and nearly two times faster than nginx and three times faster than varnish when using all cores.

nuster - A web caching proxy server based on HAProxy

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Memcached - distributed object caching system

Varnish - Web Application Accelerator.

membase - distributed key-value database

Dynomite - Making Non-Distributed Databases, Distributed

Sophia - Advanced transactional MVCC key-value/row storage library

nuster - A web caching proxy server based on HAProxy

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Memcached - distributed object caching system

Varnish - Web Application Accelerator.

membase - distributed key-value database

Dynomite - Making Non-Distributed Databases, Distributed

Sophia - Advanced transactional MVCC key-value/row storage library

nuster - A web caching proxy server based on HAProxy

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