A little spiked out thing.

Nagira -- Nagios RESTful API Web services API for Nagios: host status (R/W), service status (R/W); read-only access to configuration objects: hosts, services, contacts, escalations; read-only Nagios server configuration and Nagios runtime environment

Include Namekuji in your Rails models to give them friendly slug generation, with any ORM that supports ActiveModel.

It provides validators for national identification numbers

NCore - Ruby gem useful for building REST API clients

A Neo4j OGM (Object-Graph-Mapper) for use in Ruby on Rails and Rack frameworks heavily inspired by ActiveRecord. This fork enables this gem to be used in Rails 3.2 projects

A Neo4j OGM (Object-Graph-Mapper) for use in Ruby on Rails and Rack frameworks heavily inspired by ActiveRecord.

A uniqueness validator for nested attributes. This gem solves the problem described in https://github.com/rails/rails/issues/4568.

Nested Attributes Validation Collection for Rails

Nested validations allow a parent's validity to include those of child attributes. Errors messages will be copied from the child attribute to the parent.

Keep mailing list subscriptions in sync with your models

Middleware to render Markdown Documents in Nexmo Developer Platform.

Solução para criar, validar e transmitir NF-e

NFSeCarioca é um cliente ruby com foco na geração da Nota Carioca

A utility library to generate and validate UK NHS numbers.

A simple ActiveRecord validator based on the NHS Number specifications for healthcare providers in the UK.

A form object.

NIS validation for ActiveModel

Gem that encapsulates the NMI Direct Post API in an ActiveRecord-like syntax

No Bullshit Password strength checker. Inspired by "Password Rules are Bullshit" by Jeff Atwood. https://blog.codinghorror.com/password-rules-are-bullshit/ (Fixed to work with Rails 7)