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Macwrench (reachable via macwrench.de as well) collects helpful tips and tricks for using macOS. It has a long history back well into the nineties and started out as wiki about tinkering and fixing broken parts of any Apple hardware. Over the years/decades it morphed into some sort of database for using macOS and Apple Software. I took over about 15 years ago during my time at university when the original maintainer - one of my fellow students - intended to abandon the project because most of the articles were already hopelessly outdated. I continue using and maintaining the wiki by occasionally adding helpful tips and updating existing ones.

It used to be german only, but in the last couple of years I began to mostly use English for such things. I try to translate the other articles one at a time whenever I have some spare time, but for the time being this will result in a funny mixture of these two languages. Hagbard (talk)

Important articles:
  macOS System Requirements
  macOS Installationsmedium erstellen
Cmd   Mac Keyboard Shortcuts
Power   Startup Key Combinations

  Terminal Quickies
  Hidden Features
  Development Quickies
  MAMP/MAMP PRO Quickies
External resources:
  Block lists
  Open Source Software
Apple Services - System Status:
  Apple services and stores
  Developer system status
Important categories:
Operating SystemDevelopmentTerminalNetworkingHints
MuseumVerifyTranslate
All categoriesAll pages