Simple and composable validation and coercion of data structures inspired by clojure specs

Puts your console on fire. Use a truecolor console for best effect.

This library makes it easy to declare protocols and use in in functional way.

Specifically designed as an OpenStruct-like tool for consuming APIs, dynamic_class lets your classes define their own getters and setters at runtime based on the data instances receive at instantiation.

Postgres event store for use with EventSourcery

Ruby framework for building your Business Logic Layer inside Rails and other frameworks.

GitLab Flavored Markdown extensions on top of Kramdown markup. Tries to be as close as possible to existing extensions.

GUIDs for sharded models

Generic REST API Client

GraphQL Groups makes it easy to add aggregation queries to your GraphQL schema. It combines a simple, flexible schema definition with high performance

Parser of Haml template language

Proper objects for CSV headers and rows, convert column values, filter columns and rows, small(-ish) perfomance overhead, no dependencies other than Ruby stdlib.

attr_reader + initialize with keyword arguments

A log format that's readable by humans and easily parseable by computers.

A simple Ruby library to check if a given string is present in a blacklist of 95,000 common passwords. This gem has been DEPRECATED; please switch to password_blocklist for continued support. See migration details in the README.

A simple Ruby library to check if a given string is present in a blocklist of common passwords. Defaults to a 95k password list, but different size lists can be selected.

Pavlov is a opinionated toolbox to help you architect your Ruby project.

Unlike OpenStruct, which defines singleton methods on an object, PersistentOpenStruct defines methods on the class. This is useful when storing many hashes with the same keys as OpenStructs.

Qeweney - cross library HTTP request / response API

RBlade is a simple, yet powerful templating engine for Ruby on Rails, inspired by Laravel Blade.