Web App Frameworks

Software Frameworks that are designed to support the development of web applications including web services, web resources, and web APIs

A long-lived project that still receives updates
Ruby on Rails is a full-stack web framework optimized for programmer happiness and sustainable productivity. It encourages beautiful code by favoring convention over configuration.
A long-lived project that still receives updates
Rack provides a minimal, modular and adaptable interface for developing web applications in Ruby. By wrapping HTTP requests and responses in the simplest way possible, it unifies and distills the API for web servers, web frameworks, and software in between (the so-called middleware) into a single method call. Also see
No release in over a year
Strelka is a framework for creating and deploying Mongrel2[] web applications in Ruby. It's named after a lesser known {Russian cosmonaut}[] who was one of the first canine space travelers to orbit the Earth and return alive. Her name means "little arrow".
No commit activity in last 3 years
No release in over 3 years
Marley is a framework for quickly building RESTful web services and applications. Development is fast for two reasons: Marley implements lots of sensible defaults, all of which can be overridden and most of which can be overridden easily. And Marley servers exchange only data and metadata with clients.
No release in over 3 years
Gin is a small Ruby web framework, built on Rack, which borrows from Sinatra expressiveness, and targets larger applications.