Arel Really Exasperates Logicians Arel is a SQL AST manager for Ruby. It 1. Simplifies the generation of complex SQL queries 2. Adapts to various RDBMSes It is intended to be a framework framework; that is, you can build your own ORM with it, focusing on innovative object and collection modeling as opposed to database compatibility and query generation.

Ruby Sass is deprecated! See https://sass-lang.com/ruby-sass for details. Sass makes CSS fun again. Sass is an extension of CSS, adding nested rules, variables, mixins, selector inheritance, and more. It's translated to well-formatted, standard CSS using the command line tool or a web-framework plugin.

Net::SSH: a pure-Ruby implementation of the SSH2 client protocol. It allows you to write programs that invoke and interact with processes on remote servers, via SSH2.

A secure, non-evaling end user template engine with aesthetic markup.

This gem is used by GitHub to render any fancy markup such as Markdown, Textile, Org-Mode, etc. Fork it and add your own!

Simple mime type detection using magic numbers, filenames, and extensions

memoize methods invocation

A plain-Ruby implementation of GraphQL.

The fastest JSON parser and object serializer.

Renders and parses JSON/XML/YAML documents from and to Ruby objects. Includes plain properties, collections, nesting, coercion and more.

Wrap an option at compile-time and `call` it at runtime, which allows to have the common `-> ()`, `:method` or `Callable` pattern used for most options.

RequestStore gives you per-request global storage.

A high-level IO library that provides validation, type conversion, and more for command-line interfaces. HighLine also includes a complete menu system that can crank out anything from simple list selection to complete shells with just minutes of work.

ActiveModel::Serializers allows you to generate your JSON in an object-oriented and convention-driven manner.

Parallel tests across CI server nodes based on each test file's time execution. It generates a test time execution report and uses it for future test runs.

A gem-authoring framework.

Middleware that will make Rack-based apps CORS compatible. Fork the project here: https://github.com/cyu/rack-cors

DSL for nested generic schemas with inheritance and refining.

This library is deprecated, and will no longer receive updates. Please use google-cloud-web_risk instead.

Clean ruby syntax for writing and deploying cron jobs.