A composable logging system built on the standard Logger library.

Configurability is a unified, non-intrusive, assume-nothing configuration system for Ruby. It lets you keep the configuration for multiple objects in a single config file, load the file when it's convenient for you, and distribute the configuration when you're ready, sending it everywhere it needs to go with a single action.

Inversion is a templating system for Ruby. It uses the “Inversion of Control” principle to decouple the contents and structure of templates from the code that uses them, making it easier to separate concerns, keep your tests simple, and avoid polluting scopes with ephemeral data.

Ruby-Mongrel2 is a complete Ruby connector for Mongrel2.

This is a set of plugins for Sequel for declaring a model's table schema and any migrations in the class itself (similar to the legacy schema plugin).

Strelka is a framework for creating and deploying Mongrel2 web applications in Ruby.

A binding for the ANT ultra-low power wireless protocol via the Garmin USB ANT Stick. ANT can be used to send information wirelessly from one device to another device, in a robust and flexible manner.

Arborist is a monitoring toolkit that follows the UNIX philosophy of small parts and loose coupling for stability, reliability, and customizability.

An Entity/Component System framework inspired by Artemis.

This is an implementation of the Reactor pattern described in Pattern-Oriented Software Architecture (Volume 2). It allows an asynchronous application to be described as one or more “reactions” to events, in this case either I/O conditions on a ZMQ socket or a timer expiring.

FluentFixtures is a toolkit for building testing objects with a fluent interface.

This is a client library for the Mercurial distributed revision control tool that uses the Command Server for efficiency.

This module is a Ruby binding for the Abiword version of CMU’s Link Grammar, a syntactic parser of English.

A toolkit for creating and using Lindenmayer Systems (L-systems). It consists of a class that allows …

This is a native ruby binding to libmdbx, an improved version of the Lightning Memory Mapped Database. libmdbx is an extremely fast, compact, powerful, embedded, transactional key-value database, with permissive license. libmdbx has a specific set of properties and capabilities, focused on creating unique lightweight solutions.

Observability is a toolkit for instrumenting code to make it more observable. It follows the principle of Observability-Oriented Design as expressed by Charity Majors (@mipsytipsy).

Pluggability is a toolkit for creating plugins.

Facade-based presenters with minimal assumptions. This library contains utilities for setting up presenters for data classes for things like web services, logging output, etc.

A pushdown automaton toolkit for Ruby. It's based on the State Manager from the Amethyst project.

A readable HTML generator for RDoc. It uses the Bulma CSS framework.