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Validate e-mail addreses against RFC 2822 and RFC 3696 with this Ruby on Rails plugin and gem.

a Ruby command-line application framework

A library for converting various objects into `Money` objects.

Read only ActiveRecord-like interface to query static YAML files

An open source community calendar platform written in Ruby on Rails

Ruby persistence framework with entities and repositories

Braintree Ruby library

Q&A-based community knowledge-sharing software

[Closed] Campo 3

Docile keeps your Ruby DSLs tame and well-behaved

Simple and reliable beanstalkd job queue for ruby

ArchivesSpace, the archives management tool

✂️ Peruse and delete git branches ergonomically

Record shortcuts in macOS, like Alfred.app.

a small RSpec clone

A Rubyesque interface to Gmail, with all the tools you'll need.

An opinionated way of organizing front-end code in Ruby on Rails, based on components

RGL is a framework for graph data structures and algorithms in Ruby.

AlgoliaSearch integration to your favorite ORM

Provide a Freedom of Information request system for your jurisdiction

Rails Semantic Logger replaces the Rails default logger with Semantic Logger, so that Rails, your application code, and many common gems all log through structured logging instead of plain text.

Simple positioning for Active Record models.

simple process monitoring tool

Open-source antivirus for AI agents: block risky tools, secret access, prompt injection, malicious packages, MCP servers, plugins, and skills at runtime.

High-performance HTML5 parser for Ruby based on Lexbor, with support for both CSS selectors and XPath.

An Automatic Automated Test Writer

minimalist framework for building rack applications

Ruby GetText, but 12x faster + 530x less garbage + simple + clean namespace + threadsafe + extendable + multiple backends

OpenStreetMap editor for iPhone/iPad

Manages and displays breadcrumb trails in Rails app - lean & mean.