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 connecti...

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.

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......

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.

Bye bye strong parameters falls

Amazon Aurora Serverless is an on-demand, auto-scaling configuration for Amazon Aurora (MySQL-compatible and PostgreSQL-compatible editions). Perfect for small Rails on AWS Lambda.

Make ActiveRecord queries cacheable throughout your apps!

A new way to manage multi-tenant applications based on multiples databases

Opt-in validations for your ActiveRecord models based on your MySQL database constraints, including text field size, UTF-8 encoding issues, and NOT NULL constraints.

An ActiveRecord plugin providing a higher-level abstraction for SQL 'LIKE' queries

Create ActiveRecord relations from UNIONs