Ruby

shrinejanko-m/shrine

A modular Ruby toolkit for handling file uploads, processing, and storage with support for cloud services and multiple ORMs.

chronicmojombo/chronic

A pure Ruby natural language date/time parser that converts human-readable phrases into structured time objects.

Algorithms playground for common interview questions written in Rubysagivo/algorithms

A collection of Ruby implementations for common algorithm problems, focused on technical interview preparation.

High Voltagethoughtbot/high_voltage

A Rails engine for easily including static pages like 'About us' or marketing content in your application.

Secure Headerstwitter/secureheaders

A Ruby gem for automatically applying security headers with safe defaults to protect web applications from common vulnerabilities.

Rubyalexrudall/ruby-openai

A Ruby client library for the OpenAI API, supporting GPT-5, Realtime WebRTC, and all major endpoints.

ojohler55/oj

A high-performance JSON parser and object marshaller for Ruby, optimized for speed and compatibility.

rolifyRolifyCommunity/rolify

A simple Ruby role management library with resource scoping, designed to integrate with authentication and authorization gems.

Peekpeek/peek

A profiling tool for Rails applications that displays performance metrics in a top-mounted bar.

selfstarterapigy/selfstarter

A Ruby on Rails skeleton for creating your own crowdfunding site, originally built for Lockitron.

factory_bot_railsthoughtbot/factory_bot_rails

A fixtures replacement library for Rails testing with a straightforward definition syntax and multiple build strategies.

Dallimperham/dalli

A high-performance pure Ruby client for memcached servers with thread safety, failover, and OpenTelemetry support.

PSD.rblayervault/psd.rb

A Ruby library for parsing Adobe Photoshop (PSD) files into a manageable tree structure to extract document and layer data.

gongazay/gon

A Ruby gem that seamlessly passes Rails controller variables to JavaScript, eliminating the need for data attributes or inline scripts.

HTTPhttprb/http

A fast, mature Ruby HTTP client with a chainable API, streaming support, and fine-grained timeouts.

elasticsearch-railselastic/elasticsearch-rails

A suite of Ruby gems providing seamless Elasticsearch integration for ActiveModel/Record, Rails applications, and Ruby objects.

Cellstrailblazer/cells

A view component library for Ruby and Rails that encapsulates UI into reusable, testable view models.

cellsapotonick/cells

A view component library for Ruby and Rails that encapsulates UI parts into reusable, testable view models.

Mustachemustache/mustache

A logic-less Ruby template engine that separates presentation from application logic.

cocoonnathanvda/cocoon

A Rails gem for dynamically adding and removing nested forms using jQuery, compatible with Formtastic, SimpleForm, and default forms.

shogunshogun-toolbox/shogun

A unified and efficient machine learning toolbox with C++ core and multi-language interfaces, developed since 1999.

Derailed Benchmarksschneems/derailed_benchmarks

A suite of performance benchmarking tools for Ruby on Rails applications to identify memory leaks and optimize speed.

Hashieintridea/hashie

A collection of Ruby classes and mixins that extend Hashes with powerful features like method access, coercion, and indifferent access.

public_activitychaps-io/public_activity

A Ruby gem for tracking model changes and creating activity feeds in Rails applications, similar to GitHub's public activity.

sunspotsunspot/sunspot

A Ruby library for expressive, powerful interaction with the Solr search engine, enabling full-text search and indexing for Ruby objects.

Falconsocketry/falcon

A high-performance, multi-process, multi-fiber Rack-compatible web server for Ruby with native HTTP/1, HTTP/2, and TLS support.

lunchyeddiezane/lunchy

A friendly Ruby wrapper for macOS launchctl that simplifies managing launch agents and daemons.

passwordPusherpglombardo/PasswordPusher

Securely share passwords, text, files, and URLs via self-destructing links with full audit logs.

Pdfkitpdfkit/pdfkit

A Ruby gem that converts HTML and CSS into PDF documents using the wkhtmltopdf command-line utility.

fake-s3jubos/fake-s3

A lightweight server clone of Amazon S3 that simulates most S3 commands for local testing.

paranoiarubysherpas/paranoia

A Rails gem for soft-deleting records by setting a deleted_at timestamp instead of removing them from the database.

Paranoiaradar/paranoia

A Rails gem for soft-deleting records by setting a deleted_at timestamp instead of removing them from the database.

SCM Breezescmbreeze/scm_breeze

A shell script suite that adds numbered file shortcuts to git status and provides repository indexing for faster git workflows.

RolloutFetLife/rollout

A fast Redis-based feature flag library for Ruby applications, enabling gradual rollouts and targeted feature activation.

Standard Rubytestdouble/standard

A Ruby linter and formatter with an unconfigurable, opinionated ruleset built on RuboCop.

google-api-clientgoogleapis/google-api-ruby-client

Official Ruby client libraries for accessing Google APIs via HTTP/JSON REST endpoints with authentication and request control.