Dalli – A high performance pure Ruby client for accessing memcached servers.
Garner – A set of Rack middleware and cache helpers that implement various caching strategies.
IdentityCache – A blob level caching solution to plug into ActiveRecord.
Kashmir – Kashmir is a Ruby DSL that makes serializing and caching objects a snap.
Readthis – High performance, pooled, ActiveSupport compliant caching with Redis.
Record Cache – Cache Active Model Records in Rails 3.
redis-store – Redis Store provides a full set of stores (Cache, I18n, Session, HTTP Cache) for modern Ruby frameworks like: Ruby on Rails, Sinatra, Rack, Rack::Cache and I18n. It supports object marshalling, timeouts, single or multiple nodes, and namespaces.
Second Level Cache – Write-Through and Read-Through caching library for ActiveRecord 4.
