Middleware that communicates impending shutdown to a load balancer via NACKing (negative acking) health checks. Provided you have at least two load-balanced instances, this allows you to shut down or restart an instance without dropping any requests. Your app needs to inform the middleware when...

Provides a middleware for parsing json from request bodies to be accessed from request params

Rack first web framework.

A simple rack-based web framework

Serve up Swagger UI and docs.

treat script tag in response.body when access with old mobile phone.

Middleware which lets you to execute arbitrary code just for a certain fraction of requests

Database console for Ruby applications running on Rack with ActiveRecord and following the Rails "config/database.yml" database configuration pattern

Add metadata tags to the header

A Gem for testing web applications don't generate mixed secure/insecure traffic. Keep that browser padlock locked!

Regex constrained Basic Auth

No nonsense Rack-based framework.

combines assets to server 1 file

Detect robots that are ignoring your robots.txt file and give them the middle finger

Rack-compliant web server written in Rust.

Appends image sizes to all img tags

A Rack-based web framework heavily inspired by Rails and themed from Rooster Teeth's RWBY

A Middleware for sending assets packaged in loaded gems

Protect invalid UTF8 characters from the URL and other env vars

Replicant is a Rack-based http-endpoint gem used to mock/assert real http calls.