Ruby

Prawnprawnpdf/prawn

A pure Ruby library for generating PDF documents with extensive text, vector drawing, and internationalization support.

Active Merchantactivemerchant/active_merchant

A Ruby payment abstraction library extracted from Shopify, providing a unified interface to dozens of payment gateways.

twittersferik/twitter

A Ruby interface to the Twitter (X) API v1.1 for programmatically interacting with the platform.

gemojigithub/gemoji

A Ruby library providing emoji character information, names, and Unicode mappings for emoji processing.

annotatectran/annotate_models

Automatically adds schema and routes information as comments to Rails ActiveRecord models, fixtures, tests, factories, and routes files.

Ahoyankane/ahoy

A first-party analytics library for Rails that tracks visits and events directly in your database.

Mechanizesparklemotion/mechanize

A Ruby library for automating web interaction, handling cookies, redirects, forms, and navigation.

Baseboxes from Opscodechef/bento

Packer templates for building minimal, multi-platform Vagrant base boxes across various operating systems and virtualization providers.

Jbuilderrails/jbuilder

A simple DSL for declaring JSON structures in Ruby, particularly helpful when generation involves conditionals and loops.

Strong Migrationsankane/strong_migrations

A Ruby gem that catches unsafe database migrations in development for PostgreSQL, MySQL, and MariaDB.

Authlogicbinarylogic/authlogic

An unobtrusive Ruby authentication library for ActiveRecord-based Rails applications.

fogfog/fog

A Ruby library for interacting with multiple cloud service providers through a unified API.

EventMachineeventmachine/eventmachine

A fast, scalable event-driven I/O and lightweight concurrency library for Ruby using the Reactor pattern.

Errbiterrbit/errbit

An open-source, self-hosted error catcher that's Airbrake API compliant for collecting and managing application errors.

veeweejedi4ever/veewee

A tool for easily and repeatedly building custom Vagrant base boxes, KVMs, and virtual machine images.

terraformingdtan4/terraforming

Export existing AWS resources to Terraform configuration (tf) and state (tfstate) files.

Black Candyblackcandy-org/blackcandy

A self-hosted music streaming server that serves as your personal music center.

blackCandyblackcandy-org/black_candy

A self-hosted music streaming server that serves as your personal music center.

Typhoeustyphoeus/typhoeus

A Ruby HTTP client library that wraps libcurl to make fast and reliable requests with parallel execution support.

reektroessner/reek

A static analysis tool that detects code smells in Ruby classes, modules, and methods to improve code quality.

Stringerswanson/stringer

A self-hosted, anti-social RSS reader with no external dependencies, keyboard shortcuts, and Fever API support.

Stringerstringer-rss/stringer

A self-hosted, anti-social RSS reader with no external dependencies, keyboard shortcuts, and a clean interface.

awesome_printawesome-print/awesome_print

A Ruby library that pretty prints Ruby objects in full color with proper indentation, exposing their internal structure.

Rails ERDvoormedia/rails-erd

Generate Entity-Relationship Diagrams for Rails applications using Active Record model reflection.

WebMockbblimke/webmock

A Ruby library for stubbing and setting expectations on HTTP requests in tests.

rails-i18nsvenfuchs/rails-i18n

A centralized collection of locale data and internationalization (I18n) resources for Ruby on Rails applications.

Overcommitsds/overcommit

A fully configurable and extendable Git hook manager for enforcing code quality and project policies.

Overcommitbrigade/overcommit

A fully configurable and extendable Git hook manager for Ruby projects.

redis-rbredis/redis-rb

A Ruby client library for Redis that provides an idiomatic interface while matching Redis' API one-to-one.

flipperjnunemaker/flipper

A Ruby gem for beautiful, performant feature flags with granular control and multiple storage adapters.

Mongoidmongodb/mongoid

The official Ruby object-document mapper (ODM) for MongoDB, providing ActiveRecord-like abstractions.

Imagesrefinery/refinerycms

An extendable Ruby on Rails content management system for client-editable websites.

Corerefinery/refinerycms

An extendable Ruby on Rails content management system for developers building client-editable websites.

rack-mini-profilerMiniProfiler/rack-mini-profiler

Middleware that displays a speed badge for every HTML page in Ruby Rack apps, with optional flamegraphs and memory profiling.

groupdateankane/groupdate

A Ruby gem for grouping temporal data by time periods (day, week, hour, etc.) with time zone and series support.

Dnscat2iagox86/dnscat2

A DNS-based encrypted command-and-control (C&C) tunnel for secure communication and data exfiltration.