11 best Ruby Web Application libraries in 2025
by marketing.admin@openweaver.com 
Updated: Feb 7, 2023
Guide Kit
Ruby is a dynamic, reflective, object-oriented, general-purpose programming language. It was designed and developed in the mid-1990s by Yukihiro "Matz" Matsumoto in Japan. It has an elegant syntax that is natural to read and easy to write. The name “Ruby” originated during an online chat session between Matsumoto and Keiju Ishitsuka on February 24, 1993. Ruby Web Application framework that includes everything needed to create database-driven websites, APIs, and microservices. It was created in 2004 by David Heinemeier Hansson. It supports multiple programming paradigms, including functional, object-oriented (class-based), and imperative. It also has a dynamic type system and automatic memory management. Many developers depend on the following Ruby Web Application open source libraries: capybara - Acceptance test framework for web applications; arachni - Web Application Security Scanner Framework; mailboxer - A Rails gem to send messages inside a web application.
capybaraby teamcapybara
9832 Version:CurrentAcceptance test framework for web applications
capybaraby teamcapybara
Ruby 9832 Version:Current License: Permissive (MIT)
mailboxerby mailboxer
1645 Version:v0.12.5A Rails gem to send messages inside a web application
mailboxerby mailboxer
Ruby 1645 Version:v0.12.5 License: Permissive (MIT)
bodyapps-webby OpnTec
1384 Version:CurrentWeb service and web application components of #bodyapps project
bodyapps-webby OpnTec
Ruby 1384 Version:Current License: Weak Copyleft (LGPL-3.0)
tracksby TracksApp
1123 Version:v2.6.1Tracks is a GTD™ web application, built with Ruby on Rails
tracksby TracksApp
Ruby 1123 Version:v2.6.1 License: Strong Copyleft (GPL-2.0)
serveby jlong
842 Version:CurrentServe is a small Rack-based web server and rapid prototyping framework for Web applications (specifically Rails apps). Serve is meant to be a lightweight version of the Views part of the Rails MVC. This makes Serve an ideal framework for prototyping Rails applications or creating simple websites. Serve has full support for Rails-style partials and layouts.
serveby jlong
Ruby 842 Version:Current License: Others (Non-SPDX)
firehoseby firehoseio
721 Version:CurrentBuild realtime Ruby web applications. Created by the fine folks at Poll Everywhere.
firehoseby firehoseio
Ruby 721 Version:Current License: Permissive (MIT)
rack-offlineby wycats
673 Version:CurrentA Rack and Rails plugin for building offline web applications
rack-offlineby wycats
Ruby 673 Version:Current License: Permissive (MIT)
dawnscannerby thesp0nge
678 Version:CurrentDawn is a static analysis security scanner for ruby written web applications. It supports Sinatra, Padrino and Ruby on Rails frameworks.
dawnscannerby thesp0nge
Ruby 678 Version:Current License: Permissive (MIT)
rubycas-serverby rubycas
634 Version:CurrentProvides single sign-on authentication for web applications, implementing the server-end of Jasig's CAS protocol.
rubycas-serverby rubycas
Ruby 634 Version:Current License: Others (Non-SPDX)
dry-webby dry-rb
212 Version:v0.7.0Lightweight web application stack with pluggable routing front-ends
dry-webby dry-rb
Ruby 212 Version:v0.7.0 License: Permissive (MIT)