Apache Arrow is a common in-memory columnar data store. It's useful to share and process large data.

A Rails grid plugin to create grids with sorting, pagination, and filters generated automatically based on column types. The contents of the cell are up for the developer, just like one does when rendering a collection via a simple table. WiceGrid automates implementation of filters, ordering, paginations, CSV export, and so on. Ruby blocks provide an elegant means for this.

Command line interface for IBM Aspera products

The Instana gem is a zero configuration tool that will automatically collect key metrics and distributed traces from your Ruby processes. Just install and go.

You can use datasets easily because you can access each dataset with multiple ways such as `#each` and Apache Arrow Record Batch.

ronin-exploits is a Ruby micro-framework for writing and running exploits. ronin-exploits allows one to write exploits as plain old Ruby classes. ronin-exploits can be distributed as Ruby files or as git repositories that can be installed using ronin-reps. It's like a simpler version of Metasploit.

Cards are wiki-inspired data atoms.Card "Sharks" use links, nests, types, patterned names, queries, views, events, and rules to create rich structures.

Converter utils that can be included as a gem or used from the command line

Puppet, Inc. Release Metrics

Stylish tables in your terminal.

A simple and streaming support CSV template engine for Ruby on Rails.

Expressir ("EXPRESS in Ruby") is a Ruby parser for EXPRESS and a set of tools for accessing EXPRESS data models.

Groonga-client gem supports HTTP or [GQTP (Groonga Query Transfer Protocol)](http://groonga.org/docs/spec/gqtp.html) as the protocol using a client.

A Jekyll filter that can parse Liquid in front matter.

Parse MODS (Metadata Object Description Schema) records. More information about MODS can be found at http://www.loc.gov/standards/mods/

Control pandoc with Ruby and write pandoc filters in Ruby

An implementation of a linear regression machine learning algorithm implemented in Ruby. The library supports simple problems with one independent variable used to predict a dependent variable as well as multivariate problems with multiple independent variables to predict a dependent variable. You can train your algorithms using the normal equation or gradient descent. The library is implemented in pure ruby using Ruby's Matrix implementation.

Collection of geographic data for the United States for use with ActiveRecord

Parse public AIP (Aeronautical Information Publication) and convert the data to either AIXM (Aeronautical Information Exchange Model) or OFMX (Open FlightMaps eXchange).

Build Dynamic API Wrappers