A comprehensive list of books on Software Architecture.

A developer's guide to management: an open-sourced handbook for leading software engineering teams.

Redirect ActiveRecord (Rails) reads to replica databases while ensuring all writes go to the primary database.

Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape.

Fast Ruby FFI k-d tree with support for latitude/longitude and geo distance range search

Create immutable objects

Counting at scale is hard. Let's do it good.

Overview of ECMAScript 6 features

The web, with simplicity.

Gives you an easy way to specify which instances vars of your objects should be used as `key => value` to serialize it into a hash returned by the `#to_h` method. Also gives you a `YourClass::from_…

Execute irreversible actions only when transactions are not rolled back

Blazing fast deployer and server automation tool

Write CasperJS tests using Mocha

A lightweight server clone of Amazon S3 that simulates most of the commands supported by S3 with minimal dependencies

A micro library providing Ruby objects with Publish-Subscribe capabilities

A gem providing “time travel” and “time freezing” capabilities, making it dead simple to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and DateTime.now in a s…

Ruby on Rails stylesheet engine for Sass

A gem to automate using jQuery with Rails 3

A hypermedia resource template engine

JavaScript Debug: A simple wrapper for console.log

A Ruby client for Apache Solr

Source code for mongoid.org

Pure Ruby LDAP library

Rubygem to removing accents

Construct absolute paths and full URLs to actions in a Sinatra application

Sinatra extension providing helper methods to output tags for static assets.