Dalli UI is a mountable engine for Rails apps that displays information about your dalli (https://github.com/mperham/dalli) memcached instance and allows you to flush it from a web interface.

ExpressAdmin is the admin menu framework used by appexpress.io, ExpressBlog, etc.

GUIDs for sharded models

A Jekyll plugin to add Google Tag Manager snippets to your site.

An ActiveSupport cache store that uses the C-based libmemcached client through Evan Weaver's Ruby/SWIG wrapper, memcached. libmemcached is fast, lightweight, and supports consistent hashing, non-blocking IO, and graceful server failover.

A better API for ActiveRecord eager loading

Supports Trestle, Spark, Bridge Interactive, MLS Grid

A Sequel plugin that logs changes made to an audited model, including who created, updated and destroyed the record, and what was changed and when the change was made. This plugin provides model auditing (a.k.a: record versioning) for DB scenarios when DB triggers are not possible. (ie: on a web app on Heroku).

Serialize and enqueue deliveries for existing mailers

ActionMailer SMTP delivery strategy with advanced logging and Bcc support

Uses swe4r bindings for Swiss Ephemeris, note license for Ephemeris data

Adds has_attachment (file store) properties to ActiveRecord. Supports local file, file-in-db, S3 and Cloudfiles backends.

AWS SQS Moniter.

Web scrapy for Business Next, including showing day/week rank and feeds extraction

Canuby is a modular and very flexible dependency manager that can download, build and stage dependencies from multiple languages and build tools.

An unrestictive way to deploy using gitflow and capistrano

Extract and analyze citations from MISQ and APA style text

Get user user achievements and course lists from Codecademy

Makes Rmd text into R comments and unfences code chunks

Give DOI of a paper and get corresponding BibTeX