Database multi-tenancy for Rack (and Rails) applications

All sorts of useful information about every country packaged as convenient little country objects. It includes data from ISO 3166 (countries and states/subdivisions ), ISO 4217 (currency), and E.16…

Backup and Migrate IMAP Email Accounts

Just the right amount of Rails eager loading

ProMotion is a RubyMotion gem that makes iPhone development less like Objective-C and more like Ruby.

Rails PostgreSQL database performance insights. Locks, index usage, buffer cache hit ratios, vacuum stats and more.

Eigenfocus - Project Management tool without the clutter.

Heya 👋 is a campaign mailer for Rails. Think of it like ActionMailer, but for timed email sequences. It can also perform other actions like sending a text message.

Rails/ActiveRecord support for distributed multi-tenant databases like Postgres+Citus

Machine learning for Ruby

ObjectTracer tracks objects and records their activities

Time series forecasting for Ruby

Open source application performance monitoring tool with emphasis on ease of setup and use. Providing similar functionality like NewRelic/AppNeta/Skylight etc.

Extract Collaborator Objects from your Active Records, a new concept called Associated Objects

Call component methods right from your markup

Ruby API for parsing and generating ASC X12 EDI transactions

A dashboard for your PgBouncers.

Efficient text classification and representation learning for Ruby

A gem that helps to detect potential memory bloats

Record and replay browser sessions in a self-hosted Rails Engine.

Transparently combine many reporting queries (on the same tables) into one fast query—even when queries have different groups or scopes.

💎 Ruby SMTP mock. Mimic any 📤 SMTP server behavior for your test environment with fake SMTP server.

Definitions to build the Ruby we use at Shopify in development, testing, and production.

Handy little tools to that turn boring text box inputs into wonderful things.

Execute SQL inside Rails console, or app itself

Fast Ruby PG csv export. Uses pg function 'copy to csv'. Effective on millions rows.

Origami is a pure Ruby library to parse, modify and generate PDF documents.