A general server command for Rack applications.

Cramp is a framework for developing asynchronous web applications.

Rack::Test is a small, simple testing API for Rack apps. It can be used on its own or as a reusable starting point for Web frameworks and testing libraries to build on. Most of its initial functionality is an extraction of Merb 1.0's request helpers feature.

Facebook Messenger client

Cuba is a microframework for web applications.

Build client libraries compliant with specification defined by jsonapi.org

Feature rich logging framework that replaces the Rails logger.

A simple database agnostic import/export app to transfer data to/from a remote database.

The official appsignal.com gem

Integration between Ember CLI and Rails

A stubbing proxy server for ruby. Connect it to your browser in integration tests to fake interactions with remote HTTP(S) servers.

Library to send GELF messages to Graylog logging server. Supports plain-text, GELF messages and exceptions via UDP and TCP.

Rails plugin for implementing an OAuth Provider or Consumer

Deliver assets for Rails.

Log outgoing HTTP requests made from your application. Helpful for tracking API calls of third party gems that don't provide their own log output.

A server that stores and returns pact files generated by the pact gem. It enables head/prod cross testing of the consumer and provider projects.

Rack middleware for rate-limiting incoming HTTP requests.

Rack::UTF8Sanitizer is a Rack middleware which cleans up invalid UTF8 characters in request URI and headers.

Reloading Rack development server

A generalized Rack middleware for importing contacts from major email providers.