A Ruby object that represents a given time-of-day separate from any Date information. Makes it easy to perform work time calculations.

Objects are functions! Treat any Object or Class as a Proc (like Enumerable but for Procs).

A simple query interface for pulling deeply nested data from records.

Union, Intersect, and Difference set operations for ActiveRecord (also, SQL's UnionAll).

Contracts for String Coercion (see https://github.com/egonSchiele/contracts.ruby)

Generate data from contracts

Thread-safe immutable objects that provide delegation and basic validation to hashes.

An implementation of multiple dispatch for Ruby. Also known as generic-functions or multi-methods.

A tool for generating sheets of QR codes with an optional message.

A simple time tracking application

An an experiment in simplicity for web development

Ruby is already pretty lispy let's take it the rest of the way.

Relational programming for Ruby

An nREPL server & client for Ruby

Generative or property based testing for Ruby