• API Blueprint - Tools for developing and documenting your app's API.
  • Hulk - In-browser JSON editor.
  • The Microsoft Manifesto - An ode to the way that we used to think.
  • PSD.rb - LayerVault introduces open source code to read and write the PSD file format.
  • Zipkin - Large-scale distributed tracing system from Twitter.
  • Bootstrap 3 RC1 - Looks like we're on the verge of a new version of this widespread UI code.