Valle automatically sets minimum and maximum values for the fields of your ActiveRecord model(s), so you shouldn't worry, that string length or ID value will exceed the permissible limit.

Event/Observable design pattern in ruby

Flexible StatsD instrumentation for Rails, Rack, Grape and more

A warden strategy for easy oauth integration with github

Watirmark is an MVC test framework for watir-webdriver

Uses weasyprint to create PDFs using HTML

接口简单易用，实在是微信开发必备之好Gem

Ruby API wrapper for wechat work「企业微信」

Writes XLSX files. Minimal XML and style. Supports autofilters and headers/footers with images and page numbers.

A Ruby interface to the YOTPO API

Filter and search using an expressive, user defined, query language

A library for generating QR Codes for the e-invoice standard by ZATCA in Saudi Arabia.

Description: simplifies congiguration and run of acceptance tests.

Lolcommits refactored for use at the UIUC branch of ACM.

Act, the command line tool to act on files.

Permite formatar e validar um atributo ActiveRecord como CPF, CNPJ ou ambos

adds before_create, around_create callbacks to action mailer 3

ActionModel helps to structure model logic with actions.

Log Rails application actions and filters when accepts a request

Easy way to track actions in your application without adding unnecessary code to your controllers.