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

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

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

A simple time tracking application

Generative or property based testing for Ruby

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

Relational programming for Ruby

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

Generate data from contracts

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

An an experiment in simplicity for web development

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.

An nREPL server & client for Ruby

A programable system for data collection and analysis.

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