List of Middleware

Numerous Middleware exist in the Rack library itself, as well as the official Rack contributions project.

• JSON-P
• Rack::Cache
• Rack::ESI
• CloudKit includes OpenIDFilter, OAuthFilter, and RESTful JSON storage
• Rack::Config
• Rack::OpenID
• Rack::Debug
• Rack::AbstractFormat
• Rack::RespondTo
• Rack::SupportedMediaTypes
• Rack::AcceptMediaTypes