Browse free open source Ruby Frameworks and projects below. Use the toggles on the left to filter open source Ruby Frameworks by OS, license, language, programming language, and project status.

  • $300 Free Credits for Your Google Cloud Projects Icon
    $300 Free Credits for Your Google Cloud Projects

    Start building on Google Cloud with $300 in free credits. No commitment, no credit card required until you're ready to scale.

    Launch your next project with $300 in free Google Cloud credits—no strings attached. Test, build, and deploy without risk. Use your credits across the entire Google Cloud platform to find what works best for your needs. After your credits are used, continue with always-free tier services. Only pay when you're ready to scale. Sign up in minutes and start exploring.
    Start Free Trial
  • Save Up to 91% on Cloud Compute With Spot VMs Icon
    Save Up to 91% on Cloud Compute With Spot VMs

    Automatic sustained-use discounts. One free VM per month. No negotiation needed.

    Run batch jobs at 60-91% off with Spot VMs. Long-running workloads get automatic discounts with sustained use.
    Try Free
  • 1
    A set of tools and utilities that allow development teams to practice code generation techniques in a scalable and extensible manner. This is based on the style of code generation found in Ruby on Rails.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    Compass

    Compass

    Stylesheet authoring framework

    Compass is a stylesheet authoring framework built on top of Sass that provides a rich set of mixins, functions, and helpers for writing maintainable CSS. It offers abstractions for vendor prefixes, cross-browser compatibility fixes, and reusable UI patterns like grids, buttons, and typography helpers. With Compass, developers can write cleaner Sass code that compiles into consistent CSS across browsers without hand-coding workarounds. The framework also includes a command-line tool for compiling Sass, managing sprite sheets, and integrating with build workflows. It was widely adopted in the era before modern CSS standards caught up with mixins and variables, helping developers speed up styling while reducing redundancy. While less dominant today, Compass remains an important historical tool that influenced the evolution of Sass and frontend best practices.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    A simple rails app to run a code dojo via web browsers. Now moved to http://github.com/JonJagger/cyberdojo
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    DuckRails

    DuckRails

    Development tool to mock API endpoints quickly

    DuckRails is a development tool. Its main purpose is to allow developers to quickly mock API endpoints that for many possible reasons they can't reach at a specific time. The application allows creating new routes dynamically to which developers can assign static or dynamic responses. DuckRails is an open source development tool built using the Ruby on Rails framework. The purpose of the tool is to allow developers to easily mock API endpoints outside their applications. Knowing ruby is not required. It would just help you define ruby dynamic mocks easier (embedded ruby). No worries, you can still define dynamic responses by selecting Javascript as the mock’s body type. Instead of defining a mock to always respond with some static content, you can also configure it to dynamically resolve the content to serve. For example, you can access the original request’s parameters and headers and decide how you could respond.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Build Securely on AWS with Proven Frameworks Icon
    Build Securely on AWS with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 5
    EasyRails is a Windows installation package for Ruby and Ruby on Rails. Its goal is to provide a fully package that installs and configures everything you need to begin your development.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    Edgar

    Edgar

    Rails3-based CRM(Customer Relationship Management) application

    Since 2012/08/15, Edgar2 project starts. This is completely re-written as an 'engine' on Ruby-on-Rails 3.2.*
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Etch is a cross-platform, language- and transport-independent framework for building and consuming network services. With Etch, service development and consumption becomes no more difficult than library development and consumption.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    The FreeMIS project is an Open Source, web based, Management Information System for high schools. It has recently been ported to the new Ruby on Rails web development framework. Initially the development will focus on the requirements of UK schools.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    Grape

    Grape

    An opinionated framework for creating REST-like APIs in Ruby

    Grape is a Ruby framework for building REST-like APIs with a focus on simplicity and convention. It provides a DSL for declaring endpoints, parameters, formats, and validation rules, making it easy to build consistent and documented APIs. Grape supports multiple content types (JSON, XML, etc.), versioning, error handling, and authentication hooks, which are crucial for maintaining long-lived APIs. It integrates well with frameworks like Rails or Sinatra but can also be used standalone for microservices. Built-in tools like parameter coercion, strong validations, and automatic documentation (via Swagger integrations) reduce boilerplate and improve maintainability. Because it’s lightweight and purpose-built, Grape is popular in service-oriented architectures where clean, well-structured APIs are central.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

    Everything you need to build production-ready agents and models. Access 200+ Google and third-party AI models and tools.

    Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
    Try It Free
  • 10
    Hanami

    Hanami

    A flexible framework for maintainable Ruby apps

    Hanami is a modern Ruby web framework that aims to be lightweight, fast, and modular, in contrast to the monolithic design of Rails. It emphasizes separation of concerns, encouraging developers to structure applications into clear layers of controllers, views, entities, and repositories. Each component—like the router, model layer, or view rendering engine—can be used independently, which gives developers flexibility to build lean applications. Hanami promotes immutability, plain old Ruby objects, and minimized global state, which makes codebases more maintainable and testable. It supports multi-application setups within the same project, making it well-suited for larger service-oriented architectures. The framework is designed to provide Rails-like productivity while encouraging more explicit architecture and performance-conscious choices.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    A JavaScript presentation layer framework. It proposes a complete separation of view logic and design. Its components are designed by its role and not by its screen appearance, reducing drastically the API.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12

    Java Named Lock

    Java Named Lock

    Java Named Lock.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Josso agent for Ruby on rails. Recently, there isn't a josso agent for ruby on rails. So, this project is born for SSO with JOSSO in the ROR environment.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Json

    Json

    The jBRGates is a lightweight library for serializing beans to Json.

    The jBRGates is a lightweight library for serializing beans, maps, collections, arrays and Enum to Json and back again to beans.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Laika analyzes and reports on the interoperability capabilities of EHR systems. This includes the testing for certification of EHR software products and networks.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    LCDProc-Ruby is an application programming interface (API) to the LCDProc lcd server. You can create a client, add a screen to that client, and then add widgets to that screen. Multiple clients, widgets, and screens are supported.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Lioness (Languages Interop Framework)
    Framework for making Windows applications that are one .exe file in AutoHotKey_L,C++,C#, VB.NET,Java,Groovy,Common Lisp,Nemerle,Ruby,Python,PHP,Lua,Tcl,Perl,Jint,S#,WSH VBScript,HTML/JavaScript/CSS,COM, PowerShell without compiling . For .NET 4.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Mobility

    Mobility

    Pluggable Ruby translation framework

    Mobility is a gem for storing and retrieving translations as attributes on a class. These translations could be the content of blog posts, captions on images, tags on bookmarks, or anything else you might want to store in different languages. Storage of translations is handled by customizable "backends" which encapsulate different storage strategies. The default way to store translations is to put them all in a set of two shared tables, but many alternatives are also supported, including translatable columns and model translation tables, as well as database-specific storage solutions such as json/jsonb and Hstore (for PostgreSQL).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Networking and sockets in scripting languages is difficult and often overcomplicated! Monasic is a server daemon (service) which does all the low level work to create a simple message-based environment, allowing easy access to networking via scripts.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Mongoid

    Mongoid

    Ruby ODM framework for MongoDB

    Mongoid is the officially supported ODM (Object-Document-Mapper) framework for MongoDB in Ruby. This Mongoid community organization is a group of open-source contributors around the Mongoid ODM not affiliated with the company, MongoDB. Mongoid is customarily configured through a mongoid.yml file that specifies options and clients. The simplest configuration is as follows, which configures Mongoid to talk to a MongoDB server at “localhost:27017” and use the database named “mongoid”. If you are not using Ruby on Rails, Mongoid configuration must be loaded manually. This can be done via the Mongoid.load! method, which takes the configuration file path as its argument. It is also possible to configure Mongoid directly in Ruby, without using a configuration file. This configuration style does not support the concept of environments - whatever configuration is provided, it is applied to the current environment, but it does support defining multiple clients.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    NARF is an attempt to create a ruby web framework that escapes the weighty thud that one usually associates with web frameworks.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    OAproject implements a plataform to allow applications to interact. Apps using the platform send/receive messages through a message oriented middleware. Main features are a Single Sign On (SSO), Identity Management System (IMS) and a provisioning system
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Octopress

    Octopress

    Octopress is an obsessively designed framework for Jekyll blogging

    Octopress is a blogging framework built on top of Jekyll, designed to make static site generation easier and more attractive for developers. It provides a theming system, plugins, and prebuilt templates for blogs that are responsive, SEO-friendly, and customizable. Octopress simplifies common tasks like syntax highlighting for code snippets, social sharing integration, and deployment scripts for publishing to GitHub Pages or other static hosts. It emphasizes a developer-centric workflow, letting users write posts in Markdown and manage content through version control. Octopress also provides automation for assets like CSS/JS compression and support for third-party comment systems. For many developers, it offered a more approachable and stylish way to manage personal blogs before static site generators became more mainstream.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    THIS PROJECT IS DEAD. For the real appcelerator project, please visit http://www.appcelerator.com
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    Guard Stone is an Open Source Security Platform, which enables to integrate and deploy open source security tools. Some of Guard Stone's focus areas include Firewall, VPN, Mail Gateway Filters, Web Filters, Web Application Security, Routing etc;
    Downloads: 0 This Week
    Last Update:
    See Project
Monday.com Logo