1. Good MigrationsPrevent Rails from auto-loading app/ code when running database migrations
3. Standard🌟 Ruby Style Guide, with linter & automatic code fixer
4. TeenytestA very simple, zero-config test runner for Node.js
6. Static RailsBuild & serve static sites (e.g. Jekyll, Hugo) from your Rails app
7. Suture🏥 A Ruby gem that helps you refactor your legacy code
8. ScriptyBecause no one should be shell-scripting inside a JSON file.
9. Test SmellsA workbook repository of example test smells and what to do about them.
10. Referral🕵️♀️ Find, filter, and sort your Ruby code's definitions & references
12. theredocMakes your multi-line JavaScript strings look good
13. maybe laterRun code after the current Rack response or Rails action completes
16. quibbleMakes it easy to replace require'd dependencies.