The Listen gem listens to file modifications and notifies you about the changes. Works everywhere!

Compass is a Sass-based Stylesheet Framework that streamlines the creation and maintenance of CSS.

This fork of guard/listen provides a stable API for users of the ruby Sass CLI

An efficient implementation of an lru cache

The New Relic Ruby agent requires the gem newrelic_rpm, and it includes distributed tracing that uses head-based sampling (standard distributed tracing). If you want distributed tracing to use tail-based sampling (Infinite Tracing), you need to add both newrelic_rpm and newrelic-infinite_tracing...

Be lazy. Let Maid clean up after you, based on rules you define. Think of it as "Hazel for hackers".

A stubbing proxy server for ruby. Connect it to your browser in integration tests to fake interactions with remote HTTP(S) servers.

A simple, Git-powered wiki with a sweet API and local frontend.

Discourse API

Make your ActiveRecord IDs non-obvious

transmission-rss is basically a workaround for transmission's lack of the ability to monitor RSS feeds and automatically add enclosed torrent links. Devoted to Ann.

Send events and build analytics features into your Ruby applications.

Sidekiq middleware that adds the ability to rate limit job execution.

Akiva is a simple natural language processing, question-answering artificial intelligence. It is a demonstration of how to use the API of TheBigDB (http://thebigbdb.com) to create knowledgable software.

MemFs provides a fake file system that can be used for tests. Strongly inspired by FakeFS.

Admin interface builder

Dropcaster is a podcast feed generator for the command line. It is most simple to use with Dropbox, but works equally well with any other hoster.

Rack middleware for choosing a version of an interface to render for given request

autoproj is a manager for sets of software packages. It allows the user to import and build packages from source, still using the underlying distribution's native package manager for software that is available on it.

Ruby wrapper for the Pinboard API