Calculates the XIRR of a cashflow (the internal rate of return for transactions on arbitrary dates, like Excel's XIRR) using a safeguarded-Newton solver, with an optional native C build. Also includes time-value-of-money, bond, depreciation, rate-conversion, and performance-metric functions.

acme-plugin is a Ruby on Rails helper for ACME protocol services, ie. Let's Encryptfor retrieving SSL certificates (without using sudo, like original letsencrypt client does). It uses acme-client gem for communication with ACME protocol server.

Rails mail_to helper with encoding (removed from core in Rails 4.0)

Wrapper over Rails Event Store with conventions and transparent Rails integration

Backported from Rails 5.0 to use with 4.x versions

Rails ActiveRecord connector for Google Spanner Database

This gem is only needed before Rails 7.1, where the trilogy adapter is built in. When you upgrade to a version after 7.1.a, replace this with `gem "trilogy"` to ensure that trilogy itself is available.

ActiveRecord sharding extension

Simplify deployment of your Puppet infrastructure by automatically pulling in modules from the forge and git repositories with a single command.

A static architecture linter for Ruby and Rails. Declare your components, dependencies, and boundaries in one file, then check every change in CI. It indexes source with Rubydex and never boots the app.

Autotest relies on filesystem polling to detect modifications in source code files. This is expensive for the CPU, harddrive and battery - and unnecesary on Mac OS X 10.5 or higher which comes with the very efficient FSEvent core service for this very purpose. This gem teaches autotest how to use FSEvent.

Handlebars precompilation

Implementation of the circuit breaker pattern in Ruby

Easy access to the Climate Data operators of MPI (https://code.mpimet.mpg.de/projects/cdo)

Utilities for management of Cisco network nodes. Designed to work with Puppet and Chef. Currently supports NX-OS nodes.

ClamAV::Client connects to a Clam Anti-Virus clam daemon and send commands.

Color scheme converters for vim, textmate, kate/kwrite, jedit

A decent way to change your desktop image

gem for adding DKIM signatures to email messages

Access hash values using the dot notation