HdrHistogram is an algorithm designed for recording histograms of value measurements with configurable precision. Value precision is expressed as the number of significant digits, providing control over value quantization and resolution whilst maintaining a fixed cost in both space and time.

A simplified state machine.

meta-package of useful gems for rails development

imap-filter is a Ruby implementation of an IMAP filtering application. it can handle multiple IMAP accounts, and create IMAP folders automatically where none exists. The imap-filter DSL makes it easy to filter. You can also do "dry-runs" to make sure what happens is what is expected.

An image resizing gem that generates smaller versions of requested images. Calls through to VIPS on the command line to perform processing, and automatically handles cropping and scaling the requested image, taking a point of interest i...

Spending hours in the rails console? Spruce it up and show off those hard-working hands! jazz_hands replaces IRB with Pry, improves output through awesome_print, and has some other goodies up its sleeves. Only Ruby >= 2

This workbench holds a collection of machine learning methods in Ruby. Rather than specializing on a single task or method, this gem aims at providing an encompassing framework for any machine learning application.

The goal of music-transcription is the abstract representation of standard musical features such as pitch, note, loudness, tempo, etc. Establishing a common representation enables composition and performance.

High-level library for working with the Cloud Foundry API. This is fork from https://github.com/cloudfoundry-attic/cfoundry

【react&rails】notee is creating CMS(blog) gem by only one command.

Generating date/times based on rules. Perfect for (but not limited to) calendar/scheduling applications. Generate times based on rules like days of the week, timezones, time blocks, start dates, end dates, etc.

A multi-datastore library designed for efficiency in loading large datasets.

Google Protocol Buffers serialization and RPC implementation for Ruby.

Enter the context of exceptions

A small test framework that supports debugging test failures and errors when they happen.

The Chimp is a tool for managing servers using the RightScale platform.

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Enables easy integration of Totango tracking, with options for different ruby web frameworks

Rizzo (rzo) is a tool for working with Vagrant and layered Puppet control repos

Interactive semantic version and gem publishing