Action caching for Action Pack (removed from core in Rails 4.0)
Speedy Rails JSON serialization with built-in caching
Easy wait to do view caching with automatically added "locale" value to the cached key.
Turbo-charged counter caches for your Rails app.
High performance memcached client for Ruby
A set of Rack middleware and cache helpers that implement various caching strategies.
IdentityCache is a blob level caching solution to plug into Active Record. Don't #find, #fetch!
Kashmir is a Ruby DSL that makes serializing and caching objects a snap.
A Ruby interface to the libmemcached C client
📰 Pooled active support compliant caching with redis
Cache Active Model Records in Rails 3
Write Through and Read Through caching library inspired by CacheMoney and cache_fu, support ActiveRecord 4, 5 and 6.
A database-backed ActiveSupport::Cache::Store