CalcKit provides a declarative DSL for defining calculators with inputs, outputs, validation, and optional persistence. Works standalone or as a Rails engine.

The Baremetrics Calendar date range picker is a simplified solution for selecting both date ranges and single dates all from a single calender view. This gem allows for its easy inclusion into the rails asset pipeline.

Instruments all ActiveRecord callbacks and prints their execution order, source location, and timing to the terminal during development and test.

callpixels.js rails wrapper

Middleware to transform camelCase into snake_case and back

Conventions & helpers simplifying the use of CanCanCan in complex Rails applications.

Unit test helpers for CanCan

This gem provides CanJS (for jQuery) for your Rails 3.1+ application.

Use canvasXpress with Rails

capcoauth-gem is a library to integrate Rails applications with Capcoauth authentication service

This gem provides Cape.JS for your Rails application.

Simple uWSGI management with capistrano

A gem of capistrano recipes used in building and deploying a server.

Rails-specific helpers for CardDB, including model helpers, GraphQL batch loaders, and Railtie configuration.

Cardinal is a modular, “mobile-first” CSS framework built with performance and scalability in mind.

easily incorporate the amazing CarouFredSel into Rails 3.1+ projects

This provides the main functionality and plugin api for Cartoonist.

A gem to ease setup of Stripe Marketplace Payments

Enter "15.00" in a field by typing 1-5-0-0, like a cash register

Cells replace partials and helpers with OOP view models, giving you proper encapsulation, inheritance, testability and a cleaner view architecture.