Devflow - Independently-provisioned continuous delivery test URLs for every branch in your source code control. Currently in beta for PHP hosted at GitHub, but with ambitious plans for the future.
How to GraphQL - "The Fullstack Tutorial for GraphQL". Lots of technology stuff here that I should probably learn as long as I'm on the bench.
Seashells - Experimental service to pipe output from a command-line program direct to a temporary URL on the web.
Choosing a frontend framework in 2017 - A discussion of Ember, Angular, React, and Polymer, set against the history of the past 10 years of JavaScript development.
Makara - Generic master/slave proxy that handles things like choosing and blacklisting connections. Comes with an ActiveRecord database adapter.
Sidekiq::Logstash - Turn your Sidekiq log into JSON syntax, ready to go to a logstash server.
Elixir v1.5.0-rc.1 released - I lack the expertise to pinpoint the significant changes here, but with that version number I'm sure there are some.
DogWatch - Ruby DSL for creating DataDog monitors.