string_template is a Rails plugin that adds an Action View handler for .string template that accepts Ruby's String literal that uses notation for interpolating dynamic variables

Parse and validate hashes into structured Ruby objects.

Convert any site to a simple rack app

Yet another GraphQL parser written in Ruby.

Ruby bindings to Tree-Sitter

Tusk is a minimal pub / sub system with multiple observer strategies. Tusk builds upon the Observer API from stdlib in order to provide a mostly consistent API for building cross thread or process pub / sub systems. Currently, Tusk supports Redis and PostgreSQL as message bus back ends.

Agnostic authorization component for Trailblazer.

UART is a simple wrapper around the ruby-termios gem that gives you an easy interface for setting up a UART or serial connection. This gem is written in pure Ruby. This gem relies on ruby-termios to provide bindings to the termios system call, but uses those bindings to set up a serial connection in pure Ruby.

Flexible StatsD instrumentation for Rails, Rack, Grape and more

Tools and extensions to package Rails apps as Wasm modules

Weasel-Diesel Sinatra app gem, allowing you to generate/update sinatra apps using the Weasel Diesel DSL

When an ActiveRecord/ActiveModel model won't save because it's invalid, this gem writes the validation error messages to the log.

Fast XML to Ruby Hash converter

Blazing-fast-cross-platform-monkey-patch-free string XOR. Yes, that means JRuby too.

This gem allows to easily connect an application that provides a Web Service with the 3scale API Management System to authorize it's users and report the usage.

A/B test analysis library for Ruby

The .about.yml mechanism allows an project to publish and maintain metadata that can be easily maintained by project owners, that is visible and accessible to interested parties, and that can be harvested and processed by tools and automated systems.

ac-library-rb is a ruby port of AtCoder Library (ACL). DSU(UnionFind), FenwickTree, PriorityQueue, Segtree, SCC, 2-SAT, suffix_array, lcp_array, z_algorithm, crt, inv_mod, floor_sum, max_flow, min_cost_flow......

ActiveDirectory uses Net::LDAP to provide a means of accessing and modifying an Active Directory data store. This is a fork of the activedirectory gem.

Simply cache whatever you want by using cachers which will help you maintain cached objects and expire them when they are changed. Support Rails 3, 4, 5.