Nette Framework

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Play Framework

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A web framework written in Fortran. The source code and documentation are open source, BSD license FLIBS code by Arjen Markus and Ricolindo Carino A.

Amber is a web framework written in the programming language Crystal that makes building web applications fast, simple, and enjoyable. The Amber Framework provides productivity and happiness through a powerful CLI and familiar design patterns seen in Kemal, Rails, Phoenix and other popular frameworks. With the Amber Framework you can build blazing fast web applications that your users will love.

Ruby on Rails is an iconic, free and open source, server-side web application framework released under the liberal MIT license. The Ruby-based framework has helped millions of developer make their ideas a reality. The framework is opinionated and promotes best standards and practices for web development. When combining that with a community that is open, helpful and guiding, it's not hard to see why Ruby on Rails is one of the most loved web application frameworks to this day. Ruby on Rails is also used by industry giants like Basecamp, HEY, GitHub, Shopify, Airbnb, Twitch, SoundCloud, Hulu, Zendesk, Square, Cookpad.

Sinatra is a free and open source DSL library for quickly creating web applications in Ruby with minimal effort. Sinatra is loved by many due to its simplicity and ease-of-user. For Ruby developers, Sinatra is an alternative to web application frameworks like Ruby on Rails, Merb, Nitro, and Camping.

Scalatra is a simple, accessible and free web micro-framework. It combines the power of the JVM with the beauty and brevity of Scala, helping you quickly build high-performance web sites and APIs.