Modelling

• drawio.com
  

IDE

• Microsoft Visual Studio Code
  -> winget install Microsoft.VisualStudioCode
• Sublime Text
  -> V3: winget install SublimeHQ.SublimeText.3
  -> V4: winget install SublimeHQ.SublimeText.4
  -> SublimeMerge: winget install SublimeHQ.SublimeMerge

Ruby/Rails

• betterspecs.org - Rails Testing Best Practices
• railsstatuscodes.com - Look up a Rails HTTP Status Code