Adapters for different ruby logging backends. Create loggers using different adapters, like Logger (Stdlib), Rails or SLF4J (in JRuby only).

elasticsearch slowlog parser

Logux client for rails

JSON API(jsonapi.org) serializer wrapper methods that work with Rails and can be used to serialize any kind of ruby object with AMS style output.

ls-trace is LightStep's fork of Datadog’s tracing client for Ruby. It is used to trace requests as they flow across web servers, databases and microservices so that developers have great visiblity into bottlenecks and troublesome requests.

This gem is under development, please star https://github.com/vladimir-tikhonov/ltree_rails repo to receive status updates.

Magnetik is a mountable rails engine that allows a model to be turned into a vessel for a Stripe customer, as well as providing routes for credit card management via Stripe, including creating, updating and deleting credit cards.

Integration with Mailgun Webhooks

MakeTaggable is a fork of Acts-As-Taggable-On with code updates & fresh migrations

Provides an ActionMailer delivery handler sending emails through Mandrill

{Marlowe}[https://github.com/KineticCafe/marlowe] is a Rack middleware that extracts or creates a request ID using a pre-defined header, permitting request correlation across multiple services. When using Rails, Marlowe automatically adds itself to the middleware before <tt>Rails::Rack::Logger</...

Automatically load and include all common Martinet features for a standard Rails environment

システムが稼働する上で最初から必要なデータ（マスタデータ）を管理するツールです。

Utilities to materialize routemaster topics

Persist serialization in the model.

Write highly focused and testable view presenter classes for your Rails controllers and actions

MIAU (MIcro AUthorization) provides some helpers which raises an exception if a given user violates a policy.

Middleman extension to easily generate a Bootstrap style navbar

Mighty resource fetchers build on top of Ransack gem

Simple and flexible grid for Rails