Calculates IRR of a Cashflow, similar to Excel's, XIRR formula. It defaults to Newton Method, but will calculate Bisection as well.

Calculates IRR of a Cashflow, similar to Excel's, XIRR formula. It defaults to Newton Method, but will calculate Bisection as well.

XMLObject is a library for reading (not writing) XML. It is particularly suited for cases where one is dealing with small documents of a known structure. While not devoid of caveats, it does have a very pleasant, idiomatic Ruby syntax.

Define enum classes in Rails and use them to enumerate ActiveRecord attributes

Traffic control for ActiveJob: Concurrency/enabling/throttling

ActiveMessaging is an attempt to bring the simplicity and elegance of rails development to the world of messaging. Messaging, (or event-driven architecture) is widely used for enterprise integration, with frameworks such as Java's JMS, and products such as ActiveMQ, Tibco, IBM MQSeries, etc. Now supporting Rails 3 as of version 0.8.0.

ActiveRecord sharding extension

Write specs for your Rails 3+ generators

Arvados client library, git commit 9bd831fc83c56113e2345ca2ea214bbd91cce728

A BinData-powered intercepting proxy for arbitrary TCP streams

Chamber lets you source your Settings from an arbitrary number of YAML files and provides a simple mechanism for overriding settings from the ENV, which is friendly to how Heroku addons work.

A Ruby database driver for ClickHouse (also Clickhouse CLI and web GUI included)

Run clockwork jobs in a test environment and assert jobs are run as expected

Creating CSV files in Ruby is painful! CSV Shaper makes life easier! It's ideal for converting database backed models with attributes into CSV output. It can be used without Rails, but works great with ActiveRecord models and even comes with support for it's own template handling.

A malware/botnet analysis framework written in Ruby.

facy: first colorful terminal client for facebook

local hosted, inmemory fake dynamodb

Ruby client for The Google Distance Matrix API

Govkit lets you quickly get encapsulated Ruby objects for common open government APIs. We're starting with Sunlight's Open States API and the Project Vote Smart API.

Access controls for project hydra