json-next - read generation y / next generation json versions (HanSON, SON, JSONX/JSON11, etc.) with comments, unquoted keys, multi-line strings, trailing commas, optional commas, and more

A Ruby binding for KAKASI implemented with Fiddle/DL/FFI

Kaminari is a Scope & Engine based, clean, powerful, agnostic, customizable and sophisticated paginator for Rails 3+

kinetic_cafe_error provides an API-smart error base class and a DSL for defining errors. Under Rails, it also provides a controller concern (KineticCafe::ErrorHandler) that has a useful implementation of +rescue_from+ to handle KineticCafe::Error types. Exceptions in a hierarchy can be handled i...

kittypedia - (auto-)generate and update pages on cattributes, traits, fancies (normal, exclusive, special editions) and more

kittyverse - helper classes for cattributes, trait types, traits, genes, genomes and more for cryptokitties and copycats

kittyverse-api - web client (helpers) for using the CryptoKitties unofficial (v0) and official (v1) public (HTTP JSON) APIs

kittyverse-graphql - (lite) web client (helpers) for using CryptoKitties (HTTP JSON) GraphQL APIs

KJess is a pure ruby Kestrel client that supports Kestrel's Memcache style protocol.

Klomp is a simple [Stomp] messaging client that keeps your sanity intact. The purpose of Klomp is to be the simplest possible Stomp client. No in-memory buffering of outgoing messages, no fanout subscriptions in-process, no transactions, no complicated messaging patterns. Code simple enough so t...

Kronk is a command line swiss-army-knife for HTTP services. With Kronk, you easily parse and segregate data, run diffs between the parsed data from different queries, and easily replay logs and loadtest your HTTP applications. Kronk was made possible by the sponsoring of YP.com.

Wrapper for Kyoto Cabinet's Java library for use with JRuby, to provide the same interface as the native kyotocabinet-ruby gem for MRI.

A set of Rake tasks that provide a framework to help automate the creation and configuration server groups.

Ruby framework for integration with Leadsquared. Leadsquared API: http://apidocs.leadsquared.com/

Ruby interface to the Leap Motion Controller (via SWIG)

Ruby interface to the Leap Motion Controller (via WebSocket)

Various tools for OTU clustering

This gem helps doing LEFT JOIN's between ActiveRecord associations

Pull stats from memcached and push to Librato Metrics

Taps for extracting metrics data and publishing to Librato Metrics