Knowledge is meant to be shared(open.umn.edu)

The Open Education Network is an organization that manages the Open Textbook Library, and promotes the usage of Open Educational Resources in higher education worldwide.

databases

• MySQL
• SQLite

background job libraries

• Sidekiq

testing tools

• Minitest
• VCR

frontend frameworks

• Stimulus
• Hotwire Turbo

js bundlers

• Import maps

js transpilers

• Vanilla JavaScript

css frameworks

• Bootstrap

asset pipelines

• Sprockets

template engines

• ERB
• HAML

cache store implementations

• Solid Cache

realtime frameworks

• Turbo Streams

ruby implementations

• MRI Ruby (CRuby)