RSpec and Minitest matchers to prevent N+1 queries problem. Evaluates code under consideration several times with different scale factors to make sure that the number of DB queries behaves as expected (i.e. O(1) instead of O(N)).

GitHub Markdown straight from your shell.

Packj flags malicious and other "risky" RubyGems packages in your software supply chain.

PayPal Express Checkout API Client for recurring billing.

A extention to prawn that allows to include other pdfs either as background to write upon or to combine several pdf documents into one.

Rambulance provides a simple and safe way to dynamically generate error pages.

A Redis backend store for Rack::Cache

Rice is a C++ interface to Ruby's C API. It provides a type-safe and exception-safe interface in order to make embedding Ruby and writing Ruby extensions with C++ easier.

Contains facts from many Facter version on many Operating Systems

Ruby bindings to the magic(4) library

ruby-prof printer that exports to fold stacks compatible with FlameGraph

Type Coercion & Type Enhancement

This plugin provides native memory instrumentation for monitoring and metrics collection, including: memory usage via `free` and `vmstat`, including metrics. Note that this plugin may have cross-platform iss...

This plugin provides native process instrumentation for monitoring and metrics collection, including: process status, uptime, thread count, and others

Implemention of Payments Initiation (ISO 20022)

Integrate Sequel with Rails (3.x and 4.x)

Sequent is a CQRS and event sourcing framework for Ruby.

Sextant is a Rails engine that quickly shows the routes available

SSRF Proxy is a multi-threaded HTTP proxy server designed to tunnel client HTTP traffic through HTTP servers vulnerable to HTTP Server-Side Request Forgery (SSRF).

Entropy-based password strength checking for Ruby and ActiveModel