SQL builder for writing SQL queries

Easy test runner

A development/staging environment detector.

Convert a country name / code & IP address to an emoji flag

Integrate with kolor-picker to provide color picker and form helper.

Enter the Konami code and 'eff off.

Use Konamio in your Ruby or Rails console and be prompted to enter the Konami code. Pass in a block to tell Konamio what to do when the code has been entered. Konamio can optionally be told to listen for any ASCII based sequence (it's not limited to the konami code).

koodmeeter is a port of koodmeeter.js password strength score tool.

Persistent cron jobs manager

KVN key/value notation converter & parser

Specify which objects your services publish or consume in MSON (markdown) and let this gem validate these contracts.

Lagomorph is a mammal of the order Lagomorpha, which comprises the hares, rabbits, and pikas. It's also a gem that implements the RPC pattern over AMPQ using RabbitMQ. In this case, it can work with either MRI (through the bunny gem) or jRuby (via the march_hare gem).

Lair ruby client.

This is a full implementation of the MapReduce algorithm specifically for use with lambdas. It is useful for problems that are a natural fit for the MapReduce model (such as building cross-references) when the data set fits easily within memory.

This tool will deploy jar files and update lambda functions.

Lamppost is a basic OPML parser that uses Feedjira

Provides a HTML select of languages for Rails. The list comes from ISO 639-1 standard.

Retrieve tracking information from LaPoste.

Handles GPG-encrypted bundles of sensitive data

Lbspec is an RSpec plugin for easy Loadbalancer testing.