Cetera -- the golden-throated search service. Basically a wrapper around elasticsearch to enable keyword search to return dataset metadata for use by the front end in displaying search results.
An open-sourced collection of docker images that probably don't merit their own git repo, but serve as building blocks or one-off utilities.
A sample app to show how to connect to the Socrata Open Data API using the OAuth2 Rubygem
Presentations from Socrata U API School and other developer-focused training