calculate similarity between documents

Various helper methods to smooth over Ruby development

Validates a model or a hash based on a set of rules. The rules are defined in a JSON file.

Allows you to define a set of 'rules' or dynamic methods to apply to a class.

API integration for Drool BRMS

Not only can this rule engine tell when rules conflict but it can be expanded in many ways, including as an automatic theorem solver

Ruler module implements a DSL that makes it easy to write a set of facts and rules. If you have some tricky conditional logic, Ruler can help clear it up.

RulerCoaster

Convert units

Manage rules engine users and authentication

A simple business rules processor.

A super simple dsl for managing dynamic business rules

A simple implementation of a rule table with lots of metaprogramming.

Ruleur is a Ruby gem that provides a scalable and efficient way to manage your business rules. It uses the Rete algorithm, a well-known algorithm for efficient rule-based systems, to implement a Business Rule Management System (BRMS). With Ruleur, you can manage your rules in a straightforward and effective manner, without having to worry about performance or scalability issues.

Simple rule engine for ActiveRecord classes

Rules DSL

Rule Engine for Ruby

Numerology is the study of numbers and the meaning associated with each number.

Web crawler with JSON-based DSL and EventMachine-powered page fetching

A Ruby gem for creating, parsing, and managing Warcraft Rumble loadouts