Sinatra is a DSL for quickly creating web applications in Ruby with minimal effort.

Collection of useful Sinatra extensions

An elegant, structured (X)HTML/XML templating engine.

Template compilation framework in Ruby

Slim is a template language whose goal is reduce the syntax to the essential parts without becoming cryptic.

Render components in views or controller actions. Server-side rendering powered by ExecJS. Transform JSX in the asset pipeline or use Shakapacker.

A fast, open source text processor and publishing toolchain for converting AsciiDoc content to HTML 5, DocBook 5, and other formats.

Integrate SassC-Ruby into Rails.

General ruby templating with json, bson, xml and msgpack support

Tag helpers, asset helpers, form helpers, form builders and many more helpers for padrino

Light weight job scheduling extension for Sidekiq that adds support for queueing jobs in a recurring way.

IDE tools for code completion, inline documentation, and static analysis

View Models for Ruby and Rails, replacing helpers and partials while giving you a clean view architecture with proper encapsulation.

View Models for Ruby and Rails, replacing helpers and partials while giving you a clean view architecture with proper encapsulation.

High Performance Haml Implementation

Routing tree web toolkit

A Railties Gem to compile hbs assets

Visual email testing

Rodauth is Ruby's most advanced authentication framework, designed to work in all rack applications. It's built using Roda and Sequel, but it can be used as middleware in front of web applications that use other web frameworks and database libraries. Rodauth aims to provide strong security for ...

Cuba is a microframework for web applications.